He devoted his existance to the destruction of the undead, and the demonic Lord Diavolo in particular. Now, thousands of years later, he must fight himself to fight the darkness.
A one eyed mercenary the ladies just can’t get enough of.
Magic should have side effects, both expected and unexpected - fortuitous and deplorable. Expected side effects add anticipation, while unexpected ones increase the drama of the scene. The result can be comedic or dire, it dpends on which circumstances work best for your game.