It's a shame that it couldn't be done using the game's built-in tools. I wouldn't want to tie the map to an external mod.
Yes, that's true. However, I'll try to tinker with the editor and if I succeed, I'll let you know.
P.s. I managed to create a properly animated walking Nicholas.
Added 6 minutes later
Excuse me, is it possible to summon a hero and remove the previous one using scripts?