A word of advice to Kishin; if you don't want someone to bring something back, don't repetitively mention that one thing. Well, at least, that's my opinion on the matter. Anywho, as for me basically playing the middle man in terms of character strength, I feel some power nerfs are in order, considering a major percentage of the characters created by everyone here can wipe mine out in an instance unless I pull off some sort of bullshit maneuver to where they dodge or survive the onslaught of attacks. Personally, I also would prefer some form of revival system, instead of having most of the current characters be indestructible, immortal or whatever preferred term for their OPness when it comes to being defeated. 

Personally, I'd like to think my characters have a form of resistance to some attacks. My first thoughts go toward Atlus' Persona series. While your character may be resistant to fire, they'll be vulnerable to ice. Ergo, since Michael currently uses many shadow-based magic/attacks, he'd be vulnerable to light/holy magic. I'm also positive that characters have emotional weaknesses as well, aside from whether or not their damaged by a specific spell or attack. For example, a character whose loved one has been injured can be enraged to the point where they attack in a blind rage, their accuracy thrown out the window, but their attacks packing an extra punch if they were to meet their mark. 

Oh, and that midget cannon joke actually had me crack a smile. Nice one!