Energy Aura
You can surround your body with an aura of damaging energy or some similar effect. Anyone you touch or that touches you is attacked by it (it can't miss and is close range). The aura is always on and can't be turned off by choice for that see the Activation flaw below.
Flaws
Activation: This flaw allows you to turn off the aura as a free action however it requires either a move or standard action to turn on. Move: Flat -1 point. Standard: Flat -2 points