1. You cannot be invulnerable, its just not fair. For an example, if someone shoots you in the chest, it cannot just bounce off you or not have an impact on your character. 2. No "super powers" For an example, someone throws a knife at you and you use your awesome super speed to avoid it.
2. No "super powers" For an example, someone throws a knife at you and you use your awesome super speed to avoid it.