The archer has been given great agility; in return he has just 2 hearts of health in order to keep the balance. If a health increase to an archer is made, so should a decrease in agility. Else, it would lead to an imbalance. I disagree with you about the one-hit on any range due to the fact that an archer now has the ability to shoot back bombs. If you have around 2-3 supposedly "good" archers they would be well able to see an incoming bomb and deflect it back. Also, how else could a knight get even with an archer other than through the use of bombs due to the fact of archers outmaneuvering knights heavily?.