This is the Risen Editor presented here :
http://forum.worldofplayers.de/forum/threads/874942-Beta-Risen-Lrent-Viewer http://forum.worldofplayers.de/forum/threads/1285405-TOOL-Risen-Editor-%28Galrath-434%29-new-official-thread
The code is published here in case it might be helpfull for anybody when deciphering the Risen file formats.