This mod looks great thematically although I am not yet sure if its balanced.
Question to the mod-developer: Can I assume its intentional that both empires have no units with priestly powers and need to rely on "neutral" priests?
Aside from the orcs and most of their stuff being better and cheaper compared to other units in the game, I'm not sure about balance between the two. Do you want them to be overpowered versus everything else, or are you interested in how to make them on the same scale against other units?
These orcs are supposed to be like Warcraft Orcs? They're like elite demi-trolls with slightly super equipment, no?
Even some of the regular weapons seem to be on scale with magic trinket weapons, rather than normal weapons:
Most daggers are 2 1 0 0 but your Orcs' daggers are 3 2 1 1.
A regular two-handed battleaxe is 9 ordinary damage but your Waraxe looks one-handed and does 10 damage and is armor-piercing.