The heroes you should edit are here: Templar: custom units>human-->campaign>acentis
sorceress: custom units>night elf>melee>heroes>sorceress
undead archer: undead>campaign>janer skymercina
Sorry that it was not clear. Please do not change the stats of the heroes just the spells i have mentioned before.
I am grateful that you help me. Good luck with my map.
Anyway, how is it going?