diff --git a/index.toml b/index.toml
index 04b930bd..a875ca58 100644
--- a/index.toml
+++ b/index.toml
@@ -64362,6 +64362,11 @@ file = "mods/excavein.pw.toml"
 hash = "144d1d70f69e0f3c5b19034c4dd2485fc2cc115b13e47157d835b6740c95c1f7"
 metafile = true
 
+[[files]]
+file = "mods/extreme-reactors.pw.toml"
+hash = "8e8a539b801be098347999b416b3af738a6bf901f5b1a3b803ceb869f3c39bf9"
+metafile = true
+
 [[files]]
 file = "mods/extreme-sound-muffler.pw.toml"
 hash = "a4b76d40ded1bc2bb868eeda73bdd87a45fb42b9f62d75f0b85ef516dbaa9526"
@@ -64682,11 +64687,6 @@ file = "mods/no-chat-reports.pw.toml"
 hash = "1d602996f39fb6103a5b968f50ec06800db7125b145570474c9c10e6dcd0c68e"
 metafile = true
 
-[[files]]
-file = "mods/nuclearcraft-neoteric.pw.toml"
-hash = "5ba7f72a35c333969b88322e9a4f62647790cc25f3ab692d7c80861a3578e561"
-metafile = true
-
 [[files]]
 file = "mods/nyfs-spiders.pw.toml"
 hash = "361f5915170fc468704db1c693cfac69431b82fdefc380d6d2d7a95242799bb9"
@@ -65002,6 +65002,11 @@ file = "mods/yungs-extras.pw.toml"
 hash = "fa202c052bee239aa8c074e13da7c843cda83a2b768769b3d6ae0bc47b11de8e"
 metafile = true
 
+[[files]]
+file = "mods/zerocore.pw.toml"
+hash = "824e624db9e75492a8f461f0b2ea61251729957d6645242ae83daaece0333020"
+metafile = true
+
 [[files]]
 file = "mods/zeta.pw.toml"
 hash = "583961055f3e588845076ace49394c9ca830706a73eb1b4a4cbfe4db9f0950e9"
diff --git a/mods/extreme-reactors.pw.toml b/mods/extreme-reactors.pw.toml
new file mode 100644
index 00000000..d0313308
--- /dev/null
+++ b/mods/extreme-reactors.pw.toml
@@ -0,0 +1,13 @@
+name = "Extreme Reactors"
+filename = "ExtremeReactors2-1.20.1-2.0.87.jar"
+side = "both"
+
+[download]
+hash-format = "sha1"
+hash = "0b33f7653d75791569d3301eacb2a3282b2cd452"
+mode = "metadata:curseforge"
+
+[update]
+[update.curseforge]
+file-id = 5850673
+project-id = 250277
diff --git a/mods/nuclearcraft-neoteric.pw.toml b/mods/nuclearcraft-neoteric.pw.toml
deleted file mode 100644
index 2e03c66a..00000000
--- a/mods/nuclearcraft-neoteric.pw.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-name = "NuclearCraft: Neoteric"
-filename = "NuclearCraft-1.20.1-1.0.0-rc.2.jar"
-side = "both"
-
-[download]
-hash-format = "sha1"
-hash = "26d2c719fec42b607899ec76a0b29245b4eafbab"
-mode = "metadata:curseforge"
-
-[update]
-[update.curseforge]
-file-id = 5547335
-project-id = 840010
diff --git a/mods/zerocore.pw.toml b/mods/zerocore.pw.toml
new file mode 100644
index 00000000..51e9b9e3
--- /dev/null
+++ b/mods/zerocore.pw.toml
@@ -0,0 +1,13 @@
+name = "ZeroCore 2"
+filename = "ZeroCore2-1.20.1-2.1.47.jar"
+side = "both"
+
+[download]
+hash-format = "sha1"
+hash = "8f0452e2b1b5fd35edcc077a3a0f7e2ab08cd050"
+mode = "metadata:curseforge"
+
+[update]
+[update.curseforge]
+file-id = 5850671
+project-id = 247921
diff --git a/pack.toml b/pack.toml
index 09fd7c61..48197896 100644
--- a/pack.toml
+++ b/pack.toml
@@ -1,11 +1,11 @@
 name = "Vestiges of Tomorrow"
-version = "0.20.0"
+version = "0.21.0"
 pack-format = "packwiz:1.1.0"
 
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "b2e6328eb040926176cb5f7199a7ea6c9fe1a4aeed068d7a53c0867a6c1d45c5"
+hash = "55dcdc7a58010960102358b1606f0b95db75a0d3d6ab6424844e248c0641955a"
 
 [versions]
 forge = "47.3.11"