I expect this to be semi-controversal between overpowered and upgarding the current Heros so please feel free to speak...err...freely.
Anyways, onto the suggestion. When i set my skillbars i have a certain state of use in mind. EX:Healing breeze covering Protective Spirit on 55's.
Now i know i can click my heros skills and they will cast that exact skill next. But in the middle of a group of enemeis and a boss it's a little hard to focus on my skills, the enemies skills, and telling my hero what to do at the same time.
I propose a priority skill option up to 3. This would tell your hero to cast skill 1, before skill 2, and that before skill 3. But not affecting your heros AI to cast other skills.
This would also greatly help the assassin hero.
N

fleshgolem in slot 8 on manual, else it keep making them even when the old aint dead yet, BoM is used quite to less even when in slot 1 so it doesnt look like skill slot is priority level. ranger and monk heros work perfect on the other hand. (at least on my setuP)