These are the tools i used to make this mod. I hope i did not forget anything.
AdvancedGenieEditor3 - modifying stats
resource_hacker - editing language.dll files
SLX Studio v1.4.1 - converting graphics
Turtle Pack EN 1.6 - opening slp and drs files
Anolis - editing language.dll files
XN Resource Editor - editing language.dll files
PEBBLE32 - mostly used for searching inside language.dll files
Some tips for modding
Aok.heavengames.com