I think it would be neat to have "hidden" units that look like regular, everyday, weak units
I got that in my Nephilim and Stigian mods.
As for bat form I decided to give it to True Blood Master. Otherwise he was just too weak. Now he turns into a giant bat. I'll upload when I'll finish testing.
-Some people complained about inability to bless Undead soldiers, so I included Dr. Praetorious' hot fixes for blessing type spells (Dr. if you are against this send me a message);
-Red Monks weapon changed to Magic Staff.