diff --git a/src/server/scripts/EasternKingdoms/BaradinHold/baradin_hold.h b/src/server/scripts/EasternKingdoms/BaradinHold/baradin_hold.h
index 5464a8b991..293007e550 100644
--- a/src/server/scripts/EasternKingdoms/BaradinHold/baradin_hold.h
+++ b/src/server/scripts/EasternKingdoms/BaradinHold/baradin_hold.h
@@ -22,7 +22,7 @@
 
 namespace BaradinHold
 {
-#define DataHeader "BH"
+constexpr char const* DataHeader = "BH";
 #define BHScriptName "instance_baradin_hold"
 
 uint32 const EncounterCount = 3;
diff --git a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
index 676486a9b1..c983e6065b 100644
--- a/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
+++ b/src/server/scripts/EasternKingdoms/BastionOfTwilight/bastion_of_twilight.h
@@ -22,7 +22,7 @@
 
 namespace BastionOfTwilight
 {
-#define DataHeader "BoT"
+constexpr char const* DataHeader = "BoT";
 #define BoTScriptName "instance_bastion_of_twilight"
 
 uint32 const EncounterCountNormal = 4;
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockCaverns/blackrock_caverns.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockCaverns/blackrock_caverns.h
index 047fdaf8bf..af49341fdf 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockCaverns/blackrock_caverns.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockCaverns/blackrock_caverns.h
@@ -24,7 +24,7 @@
 namespace BlackrockCaverns
 {
 #define BCScriptName "instance_blackrock_caverns"
-#define DataHeader "BRC"
+constexpr char const* DataHeader = "BRC";
 
 uint32 const EncounterCount             = 5;
 
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.h
index b99b95e4b8..20c8495615 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockDepths/blackrock_depths.h
@@ -23,7 +23,7 @@
 namespace BlackrockDepths
 {
 #define BRDScriptName "instance_blackrock_depths"
-#define DataHeader "BRD"
+constexpr char const* DataHeader = "BRD";
 
 enum BRDFactionIds
 {
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/blackrock_spire.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/blackrock_spire.h
index 279658e496..cc2248d3a3 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/blackrock_spire.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackrockSpire/blackrock_spire.h
@@ -25,7 +25,7 @@ namespace BlackrockSpire
 uint32 const EncounterCount         = 23;
 
 #define BRSScriptName "instance_blackrock_spire"
-#define DataHeader    "BRS"
+constexpr char const* DataHeader =    "BRS";
 
 enum BRSDataTypes
 {
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h
index bbaa71629d..3e9b2094de 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingDescent/blackwing_descent.h
@@ -22,7 +22,7 @@
 
 namespace BlackwingDescent
 {
-#define DataHeader "BWD"
+constexpr char const* DataHeader = "BWD";
 #define BWDScriptName "instance_blackwing_descent"
 
 uint32 const EncounterCount = 6;
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h
index e5a6be6170..80b7904605 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/BlackwingLair/blackwing_lair.h
@@ -25,7 +25,7 @@ namespace BlackwingLair
 uint32 const EncounterCount     = 8;
 
 #define BRLScriptName "instance_blackwing_lair"
-#define DataHeader    "BWL"
+constexpr char const* DataHeader =    "BWL";
 
 enum BWLEncounter
 {
diff --git a/src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/molten_core.h b/src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/molten_core.h
index 9a4182056c..8cddc95173 100644
--- a/src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/molten_core.h
+++ b/src/server/scripts/EasternKingdoms/BlackrockMountain/MoltenCore/molten_core.h
@@ -25,7 +25,7 @@ struct Position;
 namespace MoltenCore
 {
 #define MCScriptName "instance_molten_core"
-#define DataHeader "MC"
+constexpr char const* DataHeader = "MC";
 
 enum MCEncounters
 {
diff --git a/src/server/scripts/EasternKingdoms/Deadmines/deadmines.h b/src/server/scripts/EasternKingdoms/Deadmines/deadmines.h
index 0c01ea5b1e..d377e2cf15 100644
--- a/src/server/scripts/EasternKingdoms/Deadmines/deadmines.h
+++ b/src/server/scripts/EasternKingdoms/Deadmines/deadmines.h
@@ -23,7 +23,7 @@
 
 namespace Deadmines
 {
-#define DataHeader "DM"
+constexpr char const* DataHeader = "DM";
 #define DMScriptName "instance_deadmines"
 
 uint32 const EncounterCount = 6;
diff --git a/src/server/scripts/EasternKingdoms/Gnomeregan/gnomeregan.h b/src/server/scripts/EasternKingdoms/Gnomeregan/gnomeregan.h
index 673827adba..7b4b660f66 100644
--- a/src/server/scripts/EasternKingdoms/Gnomeregan/gnomeregan.h
+++ b/src/server/scripts/EasternKingdoms/Gnomeregan/gnomeregan.h
@@ -23,7 +23,7 @@
 namespace Gnomeregan
 {
 #define GNOScriptName "instance_gnomeregan"
-#define DataHeader "GNO"
+constexpr char const* DataHeader = "GNO";
 
 enum GNOGameObjectIds
 {
diff --git a/src/server/scripts/EasternKingdoms/GrimBatol/grim_batol.h b/src/server/scripts/EasternKingdoms/GrimBatol/grim_batol.h
index 3395e11936..c581b98954 100644
--- a/src/server/scripts/EasternKingdoms/GrimBatol/grim_batol.h
+++ b/src/server/scripts/EasternKingdoms/GrimBatol/grim_batol.h
@@ -23,7 +23,7 @@
 namespace GrimBatol
 {
 #define GBScriptName "instance_grim_batol"
-#define DataHeader   "GB"
+constexpr char const* DataHeader =   "GB";
 
 uint32 const EncounterCount = 5;
 
diff --git a/src/server/scripts/EasternKingdoms/Karazhan/karazhan.h b/src/server/scripts/EasternKingdoms/Karazhan/karazhan.h
index 575c741d03..c605d43edd 100644
--- a/src/server/scripts/EasternKingdoms/Karazhan/karazhan.h
+++ b/src/server/scripts/EasternKingdoms/Karazhan/karazhan.h
@@ -23,7 +23,7 @@
 namespace Karazhan
 {
 #define KZScriptName "instance_karazhan"
-#define DataHeader "KZ"
+constexpr char const* DataHeader = "KZ";
 
 uint32 const EncounterCount = 12;
 
diff --git a/src/server/scripts/EasternKingdoms/MagistersTerrace/magisters_terrace.h b/src/server/scripts/EasternKingdoms/MagistersTerrace/magisters_terrace.h
index 1fa02c84db..aa7e5b88e5 100644
--- a/src/server/scripts/EasternKingdoms/MagistersTerrace/magisters_terrace.h
+++ b/src/server/scripts/EasternKingdoms/MagistersTerrace/magisters_terrace.h
@@ -23,7 +23,7 @@
 namespace MagistersTerrace
 {
 #define MGTScriptName "instance_magisters_terrace"
-#define DataHeader "MT"
+constexpr char const* DataHeader = "MT";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/EasternKingdoms/ScarletMonastery/scarlet_monastery.h b/src/server/scripts/EasternKingdoms/ScarletMonastery/scarlet_monastery.h
index be2bb5b723..a4e982425b 100644
--- a/src/server/scripts/EasternKingdoms/ScarletMonastery/scarlet_monastery.h
+++ b/src/server/scripts/EasternKingdoms/ScarletMonastery/scarlet_monastery.h
@@ -23,7 +23,7 @@
 namespace ScarletMonastery
 {
 #define SMScriptName "instance_scarlet_monastery"
-#define DataHeader "SM"
+constexpr char const* DataHeader = "SM";
 
 uint32 const EncounterCount = 10;
 
diff --git a/src/server/scripts/EasternKingdoms/Scholomance/scholomance.h b/src/server/scripts/EasternKingdoms/Scholomance/scholomance.h
index 2a017f1d07..1349a98e6b 100644
--- a/src/server/scripts/EasternKingdoms/Scholomance/scholomance.h
+++ b/src/server/scripts/EasternKingdoms/Scholomance/scholomance.h
@@ -23,7 +23,7 @@
 namespace Scholomance
 {
 #define ScholomanceScriptName "instance_scholomance"
-#define DataHeader "SC"
+constexpr char const* DataHeader = "SC";
 
 uint32 const EncounterCount             = 8;
 
diff --git a/src/server/scripts/EasternKingdoms/ShadowfangKeep/shadowfang_keep.h b/src/server/scripts/EasternKingdoms/ShadowfangKeep/shadowfang_keep.h
index a8bf4dbb3c..f860ddc1cb 100644
--- a/src/server/scripts/EasternKingdoms/ShadowfangKeep/shadowfang_keep.h
+++ b/src/server/scripts/EasternKingdoms/ShadowfangKeep/shadowfang_keep.h
@@ -23,7 +23,7 @@
 
 namespace ShadowfangKeep
 {
-#define DataHeader "SK"
+constexpr char const* DataHeader = "SK";
 #define SKScriptName "instance_shadowfang_keep"
 
 uint32 const EncounterCount = 7;
diff --git a/src/server/scripts/EasternKingdoms/Stratholme/stratholme.h b/src/server/scripts/EasternKingdoms/Stratholme/stratholme.h
index f4b0affef9..28df9ac528 100644
--- a/src/server/scripts/EasternKingdoms/Stratholme/stratholme.h
+++ b/src/server/scripts/EasternKingdoms/Stratholme/stratholme.h
@@ -23,7 +23,7 @@
 namespace Stratholme
 {
 #define StratholmeScriptName "instance_stratholme"
-#define DataHeader "STR"
+constexpr char const* DataHeader = "STR";
 
 enum STRData
 {
diff --git a/src/server/scripts/EasternKingdoms/SunkenTemple/sunken_temple.h b/src/server/scripts/EasternKingdoms/SunkenTemple/sunken_temple.h
index fc5f0f5a26..a0f1f71cc1 100644
--- a/src/server/scripts/EasternKingdoms/SunkenTemple/sunken_temple.h
+++ b/src/server/scripts/EasternKingdoms/SunkenTemple/sunken_temple.h
@@ -23,7 +23,7 @@
 namespace SunkenTemple
 {
 #define STScriptName "instance_sunken_temple"
-#define DataHeader "ST"
+constexpr char const* DataHeader = "ST";
 
 enum STEvents
 {
diff --git a/src/server/scripts/EasternKingdoms/SunwellPlateau/sunwell_plateau.h b/src/server/scripts/EasternKingdoms/SunwellPlateau/sunwell_plateau.h
index 1a97108230..12639f8a29 100644
--- a/src/server/scripts/EasternKingdoms/SunwellPlateau/sunwell_plateau.h
+++ b/src/server/scripts/EasternKingdoms/SunwellPlateau/sunwell_plateau.h
@@ -23,7 +23,7 @@
 namespace SunwellPlateau
 {
 #define SunwellPlateauScriptName "instance_sunwell_plateau"
-#define DataHeader "SWP"
+constexpr char const* DataHeader = "SWP";
 
 uint32 const EncounterCount = 6;
 
diff --git a/src/server/scripts/EasternKingdoms/TheStockade/the_stockade.h b/src/server/scripts/EasternKingdoms/TheStockade/the_stockade.h
index a9d410e005..e7fd7fda49 100644
--- a/src/server/scripts/EasternKingdoms/TheStockade/the_stockade.h
+++ b/src/server/scripts/EasternKingdoms/TheStockade/the_stockade.h
@@ -24,7 +24,7 @@
 namespace TheStockade
 {
 #define StormwindStockadeScriptName "instance_the_stockade"
-#define DataHeader "SS"
+constexpr char const* DataHeader = "SS";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/EasternKingdoms/ThroneOfTheTides/throne_of_the_tides.h b/src/server/scripts/EasternKingdoms/ThroneOfTheTides/throne_of_the_tides.h
index 14d6b931a5..0d3599d7a7 100644
--- a/src/server/scripts/EasternKingdoms/ThroneOfTheTides/throne_of_the_tides.h
+++ b/src/server/scripts/EasternKingdoms/ThroneOfTheTides/throne_of_the_tides.h
@@ -24,7 +24,7 @@
 namespace ThroneOfTheTides
 {
 #define TotTScriptName "instance_throne_of_the_tides"
-#define DataHeader "TOTT"
+constexpr char const* DataHeader = "TOTT";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/EasternKingdoms/Uldaman/uldaman.h b/src/server/scripts/EasternKingdoms/Uldaman/uldaman.h
index 7fc2d59d01..18253b434b 100644
--- a/src/server/scripts/EasternKingdoms/Uldaman/uldaman.h
+++ b/src/server/scripts/EasternKingdoms/Uldaman/uldaman.h
@@ -23,7 +23,7 @@
 namespace Uldaman
 {
 #define UldamanScriptName "instance_uldaman"
-#define DataHeader "UD"
+constexpr char const* DataHeader = "UD";
 
 #define MAX_ENCOUNTER                   3
 
diff --git a/src/server/scripts/EasternKingdoms/ZulAman/zulaman.h b/src/server/scripts/EasternKingdoms/ZulAman/zulaman.h
index 0da15e05e6..a9b648e01f 100644
--- a/src/server/scripts/EasternKingdoms/ZulAman/zulaman.h
+++ b/src/server/scripts/EasternKingdoms/ZulAman/zulaman.h
@@ -24,7 +24,7 @@ namespace ZulAman
 {
 uint32 const EncounterCount = 6;
 #define ZulAmanScriptName "instance_zulaman"
-#define DataHeader "ZA"
+constexpr char const* DataHeader = "ZA";
 
 enum ZADataTypes
 {
diff --git a/src/server/scripts/EasternKingdoms/ZulGurub/zulgurub.h b/src/server/scripts/EasternKingdoms/ZulGurub/zulgurub.h
index fccb7185c2..35fcfa46df 100644
--- a/src/server/scripts/EasternKingdoms/ZulGurub/zulgurub.h
+++ b/src/server/scripts/EasternKingdoms/ZulGurub/zulgurub.h
@@ -20,7 +20,7 @@
 
 #include "CreatureAIImpl.h"
 
-#define DataHeader "ZG"
+constexpr char const* DataHeader = "ZG";
 #define ZGScriptName "instance_zulgurub"
 
 namespace ZulGurub
diff --git a/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.h b/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.h
index 88bb40aa20..e0891581d3 100644
--- a/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.h
+++ b/src/server/scripts/Kalimdor/BlackfathomDeeps/blackfathom_deeps.h
@@ -23,7 +23,7 @@
 namespace BlackfathomDeeps
 {
 #define BFDScriptName "instance_blackfathom_deeps"
-#define DataHeader "BFD"
+constexpr char const* DataHeader = "BFD";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal.h b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal.h
index 652353238c..ff8de05b77 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/BattleForMountHyjal/hyjal.h
@@ -23,7 +23,7 @@
 namespace BattleForMountHyjal
 {
 #define HyjalScriptName "instance_hyjal"
-#define DataHeader "HY"
+constexpr char const* DataHeader = "HY";
 
 uint32 const EncounterCount     = 5;
 
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.h b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.h
index d3a8256a3d..669cb25d26 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/CullingOfStratholme/culling_of_stratholme.h
@@ -24,7 +24,7 @@ struct Position;
 
 namespace CullingOfStratholme
 {
-#define DataHeader "CS"
+constexpr char const* DataHeader = "CS";
 #define CoSScriptName "instance_culling_of_stratholme"
 
 uint32 constexpr EncounterCount = 5;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h
index 3b5c09098f..c1485410db 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/DragonSoul/dragon_soul.h
@@ -24,7 +24,7 @@
 
 namespace DragonSoul
 {
-#define DataHeader "DS"
+constexpr char const* DataHeader = "DS";
 #define DSScriptName "instance_dragon_soul"
 
 uint32 const EncounterCount = 8;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h
index e06b97f166..890084eee9 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EndTime/end_time.h
@@ -25,7 +25,7 @@ class Creature;
 
 namespace EndTime
 {
-#define DataHeader "ET"
+constexpr char const* DataHeader = "ET";
 #define ETScriptName "instance_end_time"
 
 uint32 const EncounterCount = 5;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.h b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.h
index e2d2a7936d..3df20b4537 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/EscapeFromDurnholdeKeep/old_hillsbrad.h
@@ -23,7 +23,7 @@
 namespace EscapeFromDurnholdeKeep
 {
 #define OHScriptName "instance_old_hillsbrad"
-#define DataHeader "OH"
+constexpr char const* DataHeader = "OH";
 
 enum OHDataTypes
 {
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h
index 42ba324828..8685995957 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/HourOfTwilight/hour_of_twilight.h
@@ -23,7 +23,7 @@
 
 namespace HourOfTwilight
 {
-#define DataHeader "HOT"
+constexpr char const* DataHeader = "HOT";
 #define HOTScriptName "instance_hour_of_twilight"
 
 uint32 const EncounterCount = 3;
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.h b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.h
index 743d15faf4..fd3b8a8407 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/TheBlackMorass/the_black_morass.h
@@ -23,7 +23,7 @@
 namespace TheBlackMorass
 {
 #define TBMScriptName "instance_the_black_morass"
-#define DataHeader "TBM"
+constexpr char const* DataHeader = "TBM";
 
 uint32 const EncounterCount             = 2;
 
diff --git a/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h
index f3e727d926..689317b469 100644
--- a/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h
+++ b/src/server/scripts/Kalimdor/CavernsOfTime/WellOfEternity/well_of_eternity.h
@@ -23,7 +23,7 @@
 
 namespace WellOfEternity
 {
-#define DataHeader "WOE"
+constexpr char const* DataHeader = "WOE";
 #define WOEScriptName "instance_well_of_eternity"
 
     uint32 const EncounterCount = 3;
diff --git a/src/server/scripts/Kalimdor/Firelands/firelands.h b/src/server/scripts/Kalimdor/Firelands/firelands.h
index 23206177d8..d3de416c6b 100644
--- a/src/server/scripts/Kalimdor/Firelands/firelands.h
+++ b/src/server/scripts/Kalimdor/Firelands/firelands.h
@@ -24,7 +24,7 @@
 
 namespace Firelands
 {
-#define DataHeader "FL"
+constexpr char const* DataHeader = "FL";
 #define FirelandsScriptName "instance_firelands"
 
 uint32 const EncounterCount = 7;
diff --git a/src/server/scripts/Kalimdor/HallsOfOrigination/halls_of_origination.h b/src/server/scripts/Kalimdor/HallsOfOrigination/halls_of_origination.h
index c99431a69d..961d63c3fc 100644
--- a/src/server/scripts/Kalimdor/HallsOfOrigination/halls_of_origination.h
+++ b/src/server/scripts/Kalimdor/HallsOfOrigination/halls_of_origination.h
@@ -23,7 +23,7 @@
 
 namespace HallsOfOrigination
 {
-#define DataHeader "HOO"
+constexpr char const* DataHeader = "HOO";
 #define HoOScriptName "instance_halls_of_origination"
 
 uint32 const EncounterCount = 12;
diff --git a/src/server/scripts/Kalimdor/LostCityOfTheTolvir/lost_city_of_the_tolvir.h b/src/server/scripts/Kalimdor/LostCityOfTheTolvir/lost_city_of_the_tolvir.h
index 744ceda3c4..1c4bd13dd3 100644
--- a/src/server/scripts/Kalimdor/LostCityOfTheTolvir/lost_city_of_the_tolvir.h
+++ b/src/server/scripts/Kalimdor/LostCityOfTheTolvir/lost_city_of_the_tolvir.h
@@ -23,7 +23,7 @@
 namespace LostCityOfTheTolvir
 {
 #define LCTScriptName "instance_lost_city_of_the_tolvir"
-#define DataHeader   "LCT"
+constexpr char const* DataHeader = "LCT";
 
 uint32 const EncounterCount = 6;
 
diff --git a/src/server/scripts/Kalimdor/OnyxiasLair/onyxias_lair.h b/src/server/scripts/Kalimdor/OnyxiasLair/onyxias_lair.h
index 4180720e6f..3a758b986e 100644
--- a/src/server/scripts/Kalimdor/OnyxiasLair/onyxias_lair.h
+++ b/src/server/scripts/Kalimdor/OnyxiasLair/onyxias_lair.h
@@ -23,7 +23,7 @@
 namespace OnyxiasLair
 {
 #define OnyxiaScriptName "instance_onyxias_lair"
-#define DataHeader "OL"
+constexpr char const* DataHeader = "OL";
 
 uint32 const EncounterCount     = 1;
 
diff --git a/src/server/scripts/Kalimdor/RagefireChasm/ragefire_chasm.h b/src/server/scripts/Kalimdor/RagefireChasm/ragefire_chasm.h
index 2989c198a8..a06f29f0a9 100644
--- a/src/server/scripts/Kalimdor/RagefireChasm/ragefire_chasm.h
+++ b/src/server/scripts/Kalimdor/RagefireChasm/ragefire_chasm.h
@@ -23,7 +23,7 @@
 namespace RagefireChasm
 {
 #define RCScriptName "instance_ragefire_chasm"
-#define DataHeader   "RC"
+constexpr char const* DataHeader = "RC";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Kalimdor/RazorfenDowns/razorfen_downs.h b/src/server/scripts/Kalimdor/RazorfenDowns/razorfen_downs.h
index 032b3c527b..b487f928cd 100644
--- a/src/server/scripts/Kalimdor/RazorfenDowns/razorfen_downs.h
+++ b/src/server/scripts/Kalimdor/RazorfenDowns/razorfen_downs.h
@@ -23,7 +23,7 @@
 namespace RazorfenDowns
 {
 #define RFDScriptName "instance_razorfen_downs"
-#define DataHeader "RFD"
+constexpr char const* DataHeader = "RFD";
 
 uint32 const EncounterCount = 5;
 
diff --git a/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.h b/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.h
index 71e4934820..688e19578a 100644
--- a/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.h
+++ b/src/server/scripts/Kalimdor/RazorfenKraul/razorfen_kraul.h
@@ -20,7 +20,7 @@
 
 namespace RazorfenKraul
 {
-#define DataHeader "RFK"
+constexpr char const* DataHeader = "RFK";
 
 #define EVENT_WARD_KEEPER 1
 }
diff --git a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/ruins_of_ahnqiraj.h b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/ruins_of_ahnqiraj.h
index 55c159c0f3..92bb90d3da 100644
--- a/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/ruins_of_ahnqiraj.h
+++ b/src/server/scripts/Kalimdor/RuinsOfAhnQiraj/ruins_of_ahnqiraj.h
@@ -23,7 +23,7 @@
 namespace RuinsOfAhnQiraj
 {
 #define AQ20ScriptName "instance_ruins_of_ahnqiraj"
-#define DataHeader "AQR"
+constexpr char const* DataHeader = "AQR";
 
 enum AQRDataTypes
 {
diff --git a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/temple_of_ahnqiraj.h b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/temple_of_ahnqiraj.h
index 611e09eea2..42c1868498 100644
--- a/src/server/scripts/Kalimdor/TempleOfAhnQiraj/temple_of_ahnqiraj.h
+++ b/src/server/scripts/Kalimdor/TempleOfAhnQiraj/temple_of_ahnqiraj.h
@@ -23,7 +23,7 @@
 namespace TempleOfAhnqiraj
 {
 #define AQ40ScriptName "instance_temple_of_ahnqiraj"
-#define DataHeader "AQT"
+constexpr char const* DataHeader = "AQT";
 
 uint32 const EncounterCount = 9;
 
diff --git a/src/server/scripts/Kalimdor/ThroneOfTheFourWinds/throne_of_the_four_winds.h b/src/server/scripts/Kalimdor/ThroneOfTheFourWinds/throne_of_the_four_winds.h
index 5797adf283..342064c9a5 100644
--- a/src/server/scripts/Kalimdor/ThroneOfTheFourWinds/throne_of_the_four_winds.h
+++ b/src/server/scripts/Kalimdor/ThroneOfTheFourWinds/throne_of_the_four_winds.h
@@ -23,7 +23,7 @@
 namespace ThroneOfTheFourWinds
 {
 #define TotFWScriptName "instance_throne_of_the_four_winds"
-#define DataHeader   "TOTFW"
+constexpr char const* DataHeader =   "TOTFW";
 
 uint32 const EncounterCount = 2;
 
diff --git a/src/server/scripts/Kalimdor/VortexPinnacle/vortex_pinnacle.h b/src/server/scripts/Kalimdor/VortexPinnacle/vortex_pinnacle.h
index e4d6bddb1a..caa421d1fb 100644
--- a/src/server/scripts/Kalimdor/VortexPinnacle/vortex_pinnacle.h
+++ b/src/server/scripts/Kalimdor/VortexPinnacle/vortex_pinnacle.h
@@ -23,7 +23,7 @@
 namespace VortexPinnacle
 {
 #define VPScriptName "instance_vortex_pinnacle"
-#define DataHeader "VP"
+constexpr char const* DataHeader = "VP";
 
 uint32 const PrismGroundingFieldPoints = 3;
 
diff --git a/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.h b/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.h
index f1bda23e8c..e30d5e0b8c 100644
--- a/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.h
+++ b/src/server/scripts/Kalimdor/WailingCaverns/wailing_caverns.h
@@ -22,7 +22,7 @@
 
 namespace WailingCaverns
 {
-#define DataHeader "WC"
+    constexpr char const* DataHeader = "WC";
 #define WCScriptName "instance_wailing_caverns"
 
 uint32 const EncounterCount = 8;
diff --git a/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.h b/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.h
index 10432b3cc2..00fca280e1 100644
--- a/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.h
+++ b/src/server/scripts/Kalimdor/ZulFarrak/zulfarrak.h
@@ -23,7 +23,7 @@
 namespace Zulfarrak
 {
 #define ZFScriptName "instance_zulfarrak"
-#define DataHeader "ZF"
+constexpr char const* DataHeader = "ZF";
 
 enum ZFEntries
 {
diff --git a/src/server/scripts/Maelstrom/Stonecore/stonecore.h b/src/server/scripts/Maelstrom/Stonecore/stonecore.h
index 5b471fecf8..f1f3fd79f8 100644
--- a/src/server/scripts/Maelstrom/Stonecore/stonecore.h
+++ b/src/server/scripts/Maelstrom/Stonecore/stonecore.h
@@ -25,7 +25,7 @@ namespace Stonecore
 {
 
 #define SCScriptName "instance_stonecore"
-#define DataHeader "SC"
+constexpr char const* DataHeader = "SC";
 
 enum SCDataTypes
 {
diff --git a/src/server/scripts/Northrend/AzjolNerub/Ahnkahet/ahnkahet.h b/src/server/scripts/Northrend/AzjolNerub/Ahnkahet/ahnkahet.h
index 01d2931b5f..112e758af1 100644
--- a/src/server/scripts/Northrend/AzjolNerub/Ahnkahet/ahnkahet.h
+++ b/src/server/scripts/Northrend/AzjolNerub/Ahnkahet/ahnkahet.h
@@ -23,7 +23,7 @@
 namespace Ankahet
 {
 #define AhnKahetScriptName "instance_ahnkahet"
-#define DataHeader         "AK"
+constexpr char const* DataHeader = "AK";
 
 uint32 const EncounterCount = 5;
 
diff --git a/src/server/scripts/Northrend/AzjolNerub/AzjolNerub/azjol_nerub.h b/src/server/scripts/Northrend/AzjolNerub/AzjolNerub/azjol_nerub.h
index 08dc6ddaf7..50ad65accc 100644
--- a/src/server/scripts/Northrend/AzjolNerub/AzjolNerub/azjol_nerub.h
+++ b/src/server/scripts/Northrend/AzjolNerub/AzjolNerub/azjol_nerub.h
@@ -23,7 +23,7 @@
 namespace AzjolNerub
 {
 #define AzjolNerubScriptName "instance_azjol_nerub"
-#define DataHeader           "AN"
+constexpr char const* DataHeader = "AN";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/obsidian_sanctum.h b/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/obsidian_sanctum.h
index fb1606b3a3..79433e2b01 100644
--- a/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/obsidian_sanctum.h
+++ b/src/server/scripts/Northrend/ChamberOfAspects/ObsidianSanctum/obsidian_sanctum.h
@@ -21,7 +21,7 @@
 #include "CreatureAIImpl.h"
 
 #define OSScriptName "instance_obsidian_sanctum"
-#define DataHeader "OS"
+constexpr char const* DataHeader = "OS";
 
 namespace ObsidianSanctum
 {
diff --git a/src/server/scripts/Northrend/ChamberOfAspects/RubySanctum/ruby_sanctum.h b/src/server/scripts/Northrend/ChamberOfAspects/RubySanctum/ruby_sanctum.h
index 6854033970..88472b1ec3 100644
--- a/src/server/scripts/Northrend/ChamberOfAspects/RubySanctum/ruby_sanctum.h
+++ b/src/server/scripts/Northrend/ChamberOfAspects/RubySanctum/ruby_sanctum.h
@@ -20,11 +20,11 @@
 
 #include "CreatureAIImpl.h"
 
-#define RSScriptName "instance_ruby_sanctum"
-#define DataHeader "RS"
-
 namespace RubySanctum
 {
+#define RSScriptName "instance_ruby_sanctum"
+constexpr char const* DataHeader = "RS";
+
 uint32 const EncounterCount = 4;
 
 enum RSDataTypes
diff --git a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/trial_of_the_champion.h b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/trial_of_the_champion.h
index f960f15c3b..b5523f9b31 100644
--- a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/trial_of_the_champion.h
+++ b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheChampion/trial_of_the_champion.h
@@ -23,7 +23,7 @@
 namespace TrialOfTheChampion
 {
 #define ToCScriptName "instance_trial_of_the_champion"
-#define DataHeader "TC"
+constexpr char const* DataHeader = "TC";
 
 enum TCData
 {
diff --git a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/trial_of_the_crusader.h b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/trial_of_the_crusader.h
index bf996be6ef..0ba0005cc8 100644
--- a/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/trial_of_the_crusader.h
+++ b/src/server/scripts/Northrend/CrusadersColiseum/TrialOfTheCrusader/trial_of_the_crusader.h
@@ -25,7 +25,7 @@ struct Position;
 namespace TrialOfTheCrusader
 {
 #define ToCrScriptName "instance_trial_of_the_crusader"
-#define DataHeader "TCR"
+constexpr char const* DataHeader = "TCR";
 
 enum TCRDataTypes
 {
diff --git a/src/server/scripts/Northrend/DraktharonKeep/drak_tharon_keep.h b/src/server/scripts/Northrend/DraktharonKeep/drak_tharon_keep.h
index af55d4a63e..384bd227b6 100644
--- a/src/server/scripts/Northrend/DraktharonKeep/drak_tharon_keep.h
+++ b/src/server/scripts/Northrend/DraktharonKeep/drak_tharon_keep.h
@@ -23,7 +23,7 @@
 namespace DrakTharonKeep
 {
 #define DrakTharonKeepScriptName "instance_drak_tharon_keep"
-#define DataHeader               "DTK"
+constexpr char const* DataHeader = "DTK";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/FrozenHalls/ForgeOfSouls/forge_of_souls.h b/src/server/scripts/Northrend/FrozenHalls/ForgeOfSouls/forge_of_souls.h
index 311780c1bd..51817ec3e6 100644
--- a/src/server/scripts/Northrend/FrozenHalls/ForgeOfSouls/forge_of_souls.h
+++ b/src/server/scripts/Northrend/FrozenHalls/ForgeOfSouls/forge_of_souls.h
@@ -23,7 +23,7 @@
 namespace ForgeOfSouls
 {
 #define FoSScriptName "instance_forge_of_souls"
-#define DataHeader    "FOS"
+constexpr char const* DataHeader = "FOS";
 
 uint32 const EncounterCount = 2;
 
diff --git a/src/server/scripts/Northrend/FrozenHalls/HallsOfReflection/halls_of_reflection.h b/src/server/scripts/Northrend/FrozenHalls/HallsOfReflection/halls_of_reflection.h
index 027638ee25..d581c7eccb 100644
--- a/src/server/scripts/Northrend/FrozenHalls/HallsOfReflection/halls_of_reflection.h
+++ b/src/server/scripts/Northrend/FrozenHalls/HallsOfReflection/halls_of_reflection.h
@@ -25,7 +25,7 @@
 namespace HallsOfReflection
 {
 #define HoRScriptName "instance_halls_of_reflection"
-#define DataHeader    "HOR"
+constexpr char const* DataHeader = "HOR";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.h b/src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.h
index 9f9a0c0e8c..9e56ab17ed 100644
--- a/src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.h
+++ b/src/server/scripts/Northrend/FrozenHalls/PitOfSaron/pit_of_saron.h
@@ -24,7 +24,7 @@
 namespace PitOfSaron
 {
 #define PoSScriptName "instance_pit_of_saron"
-#define DataHeader "POS"
+constexpr char const* DataHeader = "POS";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Northrend/Gundrak/gundrak.h b/src/server/scripts/Northrend/Gundrak/gundrak.h
index b62262f704..dbbd5e92e0 100644
--- a/src/server/scripts/Northrend/Gundrak/gundrak.h
+++ b/src/server/scripts/Northrend/Gundrak/gundrak.h
@@ -23,7 +23,7 @@
 namespace Gundrak
 {
 #define GundrakScriptName "instance_gundrak"
-#define DataHeader "GD"
+constexpr char const* DataHeader = "GD";
 
 uint32 const EncounterCount = 5;
 
diff --git a/src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.h b/src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.h
index 208dd35dc7..e26c7e13ba 100644
--- a/src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.h
+++ b/src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.h
@@ -27,7 +27,7 @@ enum TriggerCastFlags : uint32;
 namespace IcecrownCitadel
 {
 #define ICCScriptName "instance_icecrown_citadel"
-#define DataHeader    "IC"
+constexpr char const* DataHeader = "IC";
 
 uint32 const EncounterCount = 13;
 uint32 const WeeklyNPCs = 9;
diff --git a/src/server/scripts/Northrend/Naxxramas/naxxramas.h b/src/server/scripts/Northrend/Naxxramas/naxxramas.h
index e6257f9fe4..b378b2cd53 100644
--- a/src/server/scripts/Northrend/Naxxramas/naxxramas.h
+++ b/src/server/scripts/Northrend/Naxxramas/naxxramas.h
@@ -23,7 +23,7 @@
 namespace Naxxramas
 {
 #define NaxxramasScriptName "instance_naxxramas"
-#define DataHeader "NAX"
+constexpr char const* DataHeader = "NAX";
 
 uint32 const EncounterCount     = 15;
 
diff --git a/src/server/scripts/Northrend/Nexus/EyeOfEternity/eye_of_eternity.h b/src/server/scripts/Northrend/Nexus/EyeOfEternity/eye_of_eternity.h
index 566ab53423..e9a59917f3 100644
--- a/src/server/scripts/Northrend/Nexus/EyeOfEternity/eye_of_eternity.h
+++ b/src/server/scripts/Northrend/Nexus/EyeOfEternity/eye_of_eternity.h
@@ -23,7 +23,7 @@
 namespace EyeOfEternity
 {
 #define EoEScriptName "instance_eye_of_eternity"
-#define DataHeader "EOE"
+constexpr char const* DataHeader = "EOE";
 
 enum EOEInstanceData
 {
diff --git a/src/server/scripts/Northrend/Nexus/Nexus/nexus.h b/src/server/scripts/Northrend/Nexus/Nexus/nexus.h
index ab8fa66ecb..570d08896e 100644
--- a/src/server/scripts/Northrend/Nexus/Nexus/nexus.h
+++ b/src/server/scripts/Northrend/Nexus/Nexus/nexus.h
@@ -23,7 +23,7 @@
 namespace Nexus
 {
 #define NexusScriptName "instance_nexus"
-#define DataHeader "NEX"
+constexpr char const* DataHeader = "NEX";
 
 uint32 const EncounterCount = 5;
 
diff --git a/src/server/scripts/Northrend/Nexus/Oculus/oculus.h b/src/server/scripts/Northrend/Nexus/Oculus/oculus.h
index 00b54038e2..6c397c55b3 100644
--- a/src/server/scripts/Northrend/Nexus/Oculus/oculus.h
+++ b/src/server/scripts/Northrend/Nexus/Oculus/oculus.h
@@ -23,7 +23,7 @@
 namespace Oculus
 {
 #define OculusScriptName "instance_oculus"
-#define DataHeader "OC"
+constexpr char const* DataHeader = "OC";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/Ulduar/HallsOfLightning/halls_of_lightning.h b/src/server/scripts/Northrend/Ulduar/HallsOfLightning/halls_of_lightning.h
index e9fbfe3bda..d7825fa827 100644
--- a/src/server/scripts/Northrend/Ulduar/HallsOfLightning/halls_of_lightning.h
+++ b/src/server/scripts/Northrend/Ulduar/HallsOfLightning/halls_of_lightning.h
@@ -23,7 +23,7 @@
 namespace HallsOfLightning
 {
 #define HoLScriptName "instance_halls_of_lightning"
-#define DataHeader    "HOL"
+constexpr char const* DataHeader = "HOL";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.h b/src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.h
index 3643ad28ac..ba527d345d 100644
--- a/src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.h
+++ b/src/server/scripts/Northrend/Ulduar/HallsOfStone/halls_of_stone.h
@@ -23,7 +23,7 @@
 namespace HallsOfStone
 {
 #define HoSScriptName "instance_halls_of_stone"
-#define DataHeader    "HOS"
+constexpr char const* DataHeader = "HOS";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h b/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
index e60c9d77d9..261bc46f2c 100644
--- a/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
+++ b/src/server/scripts/Northrend/Ulduar/Ulduar/ulduar.h
@@ -23,7 +23,7 @@
 namespace Ulduar
 {
 #define UlduarScriptName "instance_ulduar"
-#define DataHeader "UU"
+constexpr char const* DataHeader = "UU";
 
     namespace YoggSaron
     {
diff --git a/src/server/scripts/Northrend/UtgardeKeep/UtgardeKeep/utgarde_keep.h b/src/server/scripts/Northrend/UtgardeKeep/UtgardeKeep/utgarde_keep.h
index f2eb1ff7c1..34e88ca449 100644
--- a/src/server/scripts/Northrend/UtgardeKeep/UtgardeKeep/utgarde_keep.h
+++ b/src/server/scripts/Northrend/UtgardeKeep/UtgardeKeep/utgarde_keep.h
@@ -23,7 +23,7 @@
 namespace UtgardeKeep
 {
 #define UKScriptName "instance_utgarde_keep"
-#define DataHeader "UK"
+constexpr char const* DataHeader = "UK";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/utgarde_pinnacle.h b/src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/utgarde_pinnacle.h
index 84159fcb20..79531def1f 100644
--- a/src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/utgarde_pinnacle.h
+++ b/src/server/scripts/Northrend/UtgardeKeep/UtgardePinnacle/utgarde_pinnacle.h
@@ -23,7 +23,7 @@
 namespace UtgardePinnacle
 {
 #define UPScriptName "instance_utgarde_pinnacle"
-#define DataHeader "UP"
+constexpr char const* DataHeader = "UP";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/VaultOfArchavon/vault_of_archavon.h b/src/server/scripts/Northrend/VaultOfArchavon/vault_of_archavon.h
index e755fcb779..7767553ea2 100644
--- a/src/server/scripts/Northrend/VaultOfArchavon/vault_of_archavon.h
+++ b/src/server/scripts/Northrend/VaultOfArchavon/vault_of_archavon.h
@@ -23,7 +23,7 @@
 namespace VaultOfArchavon
 {
 #define VoAScriptName "instance_vault_of_archavon"
-#define DataHeader "VA"
+constexpr char const* DataHeader = "VA";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Northrend/VioletHold/violet_hold.h b/src/server/scripts/Northrend/VioletHold/violet_hold.h
index e271fbad67..51c520cf68 100644
--- a/src/server/scripts/Northrend/VioletHold/violet_hold.h
+++ b/src/server/scripts/Northrend/VioletHold/violet_hold.h
@@ -23,7 +23,7 @@
 namespace VioletHold
 {
 #define VioletHoldScriptName "instance_violet_hold"
-#define DataHeader "VH"
+constexpr char const* DataHeader = "VH";
 
 uint32 const EncounterCount = 3 + 6;
 
diff --git a/src/server/scripts/Outland/Auchindoun/AuchenaiCrypts/auchenai_crypts.h b/src/server/scripts/Outland/Auchindoun/AuchenaiCrypts/auchenai_crypts.h
index 50242d1bb9..481b65e537 100644
--- a/src/server/scripts/Outland/Auchindoun/AuchenaiCrypts/auchenai_crypts.h
+++ b/src/server/scripts/Outland/Auchindoun/AuchenaiCrypts/auchenai_crypts.h
@@ -23,7 +23,7 @@
 namespace AuchenaiCrypts
 {
 #define ACScriptName "instance_auchenai_crypts"
-#define DataHeader   "AC"
+constexpr char const* DataHeader = "AC";
 
 uint32 const EncounterCount = 2;
 
diff --git a/src/server/scripts/Outland/Auchindoun/ManaTombs/mana_tombs.h b/src/server/scripts/Outland/Auchindoun/ManaTombs/mana_tombs.h
index 42c7bee202..b97fff5645 100644
--- a/src/server/scripts/Outland/Auchindoun/ManaTombs/mana_tombs.h
+++ b/src/server/scripts/Outland/Auchindoun/ManaTombs/mana_tombs.h
@@ -23,7 +23,7 @@
 namespace ManaTombs
 {
 #define MTScriptName "instance_mana_tombs"
-#define DataHeader "MT"
+constexpr char const* DataHeader = "MT";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Outland/Auchindoun/SethekkHalls/sethekk_halls.h b/src/server/scripts/Outland/Auchindoun/SethekkHalls/sethekk_halls.h
index 48b06ba2c0..010d22f52f 100644
--- a/src/server/scripts/Outland/Auchindoun/SethekkHalls/sethekk_halls.h
+++ b/src/server/scripts/Outland/Auchindoun/SethekkHalls/sethekk_halls.h
@@ -23,7 +23,7 @@
 namespace SethekkHalls
 {
 #define SHScriptName "instance_sethekk_halls"
-#define DataHeader "SH"
+constexpr char const* DataHeader = "SH";
 
 uint32 const EncounterCount             = 3;
 
diff --git a/src/server/scripts/Outland/Auchindoun/ShadowLabyrinth/shadow_labyrinth.h b/src/server/scripts/Outland/Auchindoun/ShadowLabyrinth/shadow_labyrinth.h
index 95823b787f..a5d89982de 100644
--- a/src/server/scripts/Outland/Auchindoun/ShadowLabyrinth/shadow_labyrinth.h
+++ b/src/server/scripts/Outland/Auchindoun/ShadowLabyrinth/shadow_labyrinth.h
@@ -24,7 +24,7 @@
 namespace ShadowLabyrinth
 {
 #define SLScriptName "instance_shadow_labyrinth"
-#define DataHeader "SL"
+constexpr char const* DataHeader = "SL";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Outland/BlackTemple/black_temple.h b/src/server/scripts/Outland/BlackTemple/black_temple.h
index 58d2032b31..dca677924a 100644
--- a/src/server/scripts/Outland/BlackTemple/black_temple.h
+++ b/src/server/scripts/Outland/BlackTemple/black_temple.h
@@ -23,7 +23,7 @@
 namespace BlackTemple
 {
 #define BTScriptName "instance_black_temple"
-#define DataHeader   "BT"
+constexpr char const* DataHeader = "BT";
 
 uint32 const EncounterCount         = 9;
 
diff --git a/src/server/scripts/Outland/CoilfangReservoir/SerpentShrine/serpent_shrine.h b/src/server/scripts/Outland/CoilfangReservoir/SerpentShrine/serpent_shrine.h
index e1f0d7f0e5..ce080bfc7c 100644
--- a/src/server/scripts/Outland/CoilfangReservoir/SerpentShrine/serpent_shrine.h
+++ b/src/server/scripts/Outland/CoilfangReservoir/SerpentShrine/serpent_shrine.h
@@ -23,7 +23,7 @@
 namespace SerpentShrine
 {
 #define SSCScriptName "instance_serpent_shrine"
-#define DataHeader "SS"
+constexpr char const* DataHeader = "SS";
 
 enum SSWaterEventState
 {
diff --git a/src/server/scripts/Outland/CoilfangReservoir/SteamVault/steam_vault.h b/src/server/scripts/Outland/CoilfangReservoir/SteamVault/steam_vault.h
index ebdb71150d..90adeb715e 100644
--- a/src/server/scripts/Outland/CoilfangReservoir/SteamVault/steam_vault.h
+++ b/src/server/scripts/Outland/CoilfangReservoir/SteamVault/steam_vault.h
@@ -23,7 +23,7 @@
 namespace SteamVault
 {
 #define SteamVaultScriptName "instance_steam_vault"
-#define DataHeader "SV"
+constexpr char const* DataHeader = "SV";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Outland/CoilfangReservoir/TheSlavePens/the_slave_pens.h b/src/server/scripts/Outland/CoilfangReservoir/TheSlavePens/the_slave_pens.h
index fb0b88faa9..c636ec5098 100644
--- a/src/server/scripts/Outland/CoilfangReservoir/TheSlavePens/the_slave_pens.h
+++ b/src/server/scripts/Outland/CoilfangReservoir/TheSlavePens/the_slave_pens.h
@@ -25,7 +25,7 @@ namespace TheSlavePens
 uint32 const EncounterCount               = 3;
 
 #define SPScriptName "instance_the_slave_pens"
-#define DataHeader "SP"
+constexpr char const* DataHeader = "SP";
 
 enum SPDataTypes
 {
diff --git a/src/server/scripts/Outland/GruulsLair/gruuls_lair.h b/src/server/scripts/Outland/GruulsLair/gruuls_lair.h
index 6c5cb4ebfb..6a1ed2d262 100644
--- a/src/server/scripts/Outland/GruulsLair/gruuls_lair.h
+++ b/src/server/scripts/Outland/GruulsLair/gruuls_lair.h
@@ -23,7 +23,7 @@
 namespace GruulsLair
 {
 #define GLScriptName "instance_gruuls_lair"
-#define DataHeader   "GL"
+constexpr char const* DataHeader = "GL";
 
 uint32 const EncounterCount = 2;
 
diff --git a/src/server/scripts/Outland/HellfireCitadel/BloodFurnace/blood_furnace.h b/src/server/scripts/Outland/HellfireCitadel/BloodFurnace/blood_furnace.h
index bcae0653f1..dfe739bb2f 100644
--- a/src/server/scripts/Outland/HellfireCitadel/BloodFurnace/blood_furnace.h
+++ b/src/server/scripts/Outland/HellfireCitadel/BloodFurnace/blood_furnace.h
@@ -23,7 +23,7 @@
 namespace BloodFurnace
 {
 #define BFScriptName "instance_blood_furnace"
-#define DataHeader   "BF"
+constexpr char const* DataHeader = "BF";
 
 uint32 const EncounterCount = 3;
 
diff --git a/src/server/scripts/Outland/HellfireCitadel/HellfireRamparts/hellfire_ramparts.h b/src/server/scripts/Outland/HellfireCitadel/HellfireRamparts/hellfire_ramparts.h
index 3a3540106a..d8438117b9 100644
--- a/src/server/scripts/Outland/HellfireCitadel/HellfireRamparts/hellfire_ramparts.h
+++ b/src/server/scripts/Outland/HellfireCitadel/HellfireRamparts/hellfire_ramparts.h
@@ -23,7 +23,7 @@
 namespace HellfireRamparts
 {
 #define HRScriptName "instance_ramparts"
-#define DataHeader "HR"
+constexpr char const* DataHeader = "HR";
 
 uint32 const EncounterCount       = 4;
 
diff --git a/src/server/scripts/Outland/HellfireCitadel/MagtheridonsLair/magtheridons_lair.h b/src/server/scripts/Outland/HellfireCitadel/MagtheridonsLair/magtheridons_lair.h
index 64e3bfc55f..2e6eee80ef 100644
--- a/src/server/scripts/Outland/HellfireCitadel/MagtheridonsLair/magtheridons_lair.h
+++ b/src/server/scripts/Outland/HellfireCitadel/MagtheridonsLair/magtheridons_lair.h
@@ -23,7 +23,7 @@
 namespace MagtheridonsLair
 {
 #define MLScriptName "instance_magtheridons_lair"
-#define DataHeader "ML"
+constexpr char const* DataHeader = "ML";
 
 uint32 const EncounterCount = 1;
 
diff --git a/src/server/scripts/Outland/HellfireCitadel/ShatteredHalls/shattered_halls.h b/src/server/scripts/Outland/HellfireCitadel/ShatteredHalls/shattered_halls.h
index 2a55443497..5cdc350589 100644
--- a/src/server/scripts/Outland/HellfireCitadel/ShatteredHalls/shattered_halls.h
+++ b/src/server/scripts/Outland/HellfireCitadel/ShatteredHalls/shattered_halls.h
@@ -23,7 +23,7 @@
 namespace ShatteredHalls
 {
 #define SHScriptName "instance_shattered_halls"
-#define DataHeader "SH"
+constexpr char const* DataHeader = "SH";
 
 uint32 const EncounterCount          = 4;
 uint32 const VictimCount             = 3;
diff --git a/src/server/scripts/Outland/TempestKeep/Eye/the_eye.h b/src/server/scripts/Outland/TempestKeep/Eye/the_eye.h
index 19e8642cb4..81f78af6c4 100644
--- a/src/server/scripts/Outland/TempestKeep/Eye/the_eye.h
+++ b/src/server/scripts/Outland/TempestKeep/Eye/the_eye.h
@@ -23,7 +23,7 @@
 namespace Eye
 {
 #define TheEyeScriptName "instance_the_eye"
-#define DataHeader "TE"
+constexpr char const* DataHeader = "TE";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Outland/TempestKeep/Mechanar/mechanar.h b/src/server/scripts/Outland/TempestKeep/Mechanar/mechanar.h
index 928a708710..2f47082932 100644
--- a/src/server/scripts/Outland/TempestKeep/Mechanar/mechanar.h
+++ b/src/server/scripts/Outland/TempestKeep/Mechanar/mechanar.h
@@ -23,7 +23,7 @@
 namespace Mechanar
 {
 #define MechanarScriptName "instance_mechanar"
-#define DataHeader "MR"
+constexpr char const* DataHeader = "MR";
 
 uint32 const EncounterCount             = 5;
 
diff --git a/src/server/scripts/Outland/TempestKeep/arcatraz/arcatraz.h b/src/server/scripts/Outland/TempestKeep/arcatraz/arcatraz.h
index 810d11a37a..a9d8f447bd 100644
--- a/src/server/scripts/Outland/TempestKeep/arcatraz/arcatraz.h
+++ b/src/server/scripts/Outland/TempestKeep/arcatraz/arcatraz.h
@@ -24,7 +24,7 @@ namespace Arcatraz
 {
 
 #define ArcatrazScriptName "instance_arcatraz"
-#define DataHeader         "AZ"
+constexpr char const* DataHeader = "AZ";
 
 uint32 const EncounterCount = 4;
 
diff --git a/src/server/scripts/Outland/TempestKeep/botanica/the_botanica.h b/src/server/scripts/Outland/TempestKeep/botanica/the_botanica.h
index 11576c4a00..59a9c15357 100644
--- a/src/server/scripts/Outland/TempestKeep/botanica/the_botanica.h
+++ b/src/server/scripts/Outland/TempestKeep/botanica/the_botanica.h
@@ -23,7 +23,7 @@
 namespace Botanica
 {
 #define BotanicaScriptName "instance_the_botanica"
-#define DataHeader "BC"
+constexpr char const* DataHeader = "BC";
 
 uint32 const EncounterCount = 5;