A mace, sword, or axe.
Super powers like super strength and flight!
Super powers like ghosting through walls and mind reading.
A good old-fashioned gun.
A bow and arrows.
High tech alien guns.
Dark and/or different.
Somewhere in the middle of all of the above.
It's a terrible thing and should never be used.
It should only be used when necessary.
Violence is essential to defeating your enemies and being victorious!!!
Violence? I LOVE VIOLENCE!!!
Blasts of energy.
None of the above.