While the tool tip is very vague, Overpower is a powerful [[area of effect]] spell-like ability that needs , not a weapon swinging melee attack. It calls down a moderate [[critical hit]] chance to be effectivebolt from the heavens in the base form. The available rune effects make this skill very interesting. Dual-wielding two very fast weapons and having a godly amount area of [[critical strike]] chance might make you unstoppable with the Revel rune effectis over a nearby radius, healing you every time Overpower is usedas can be seen in the video below.