Worst damaging moves (assuming neutral type effectiveness)

Rollout			1.00
Ice Ball		1.00
Focus Punch		0.26
Extrasensory	0.21
Magnitude		0.19
Wing Attack		0.18
Uproar			0.16
Shadow Ball		0.16
Covet			0.16
False Swipe		0.16
Metal Claw		0.15
Double Kick		0.15
Signal Beam		0.15
Vicegrip		0.15