Excellent work, but
1) Not lore-friendly
2) Overpowered (at least the archers)
Good luck with your future projects!
Regarding the archers, I think that piercing shots aren't that powerful of an ability, as it's usually difficult to aim without hitting your own units, which makes it less effective. And with such low health, he won't last long. Besides, the damage itself has been reduced.
"Дворники-грабители заметают следы"