I've got an idea for an extreme RP, involving a female (me) who has the power of regeneration. She can heal almost any extent of injury or damage to her body, to the point even that she can die and come back to life.
She feels pain, every bit of pain, and doesn't have super strength, or any other powers. Just regeneration.
And she is abducted by a deeply disturbed serial rapist-murderer, or the like, who brutalizes and rapes her, murders her, then finds (to his surprise) that she comes back to life (after a delay of some time of course) and he gets to do it to her all over again.
In short, I want to indulge my deepest and darkest fantasies without having the realistic inconvenience of my character only dying once.