lightning claw

A Warhammer 40K weapon that combines a Power Fist with several razor-sharp blades extending from the armor itself and includes the matter-disrupting energy field used by other power weapons. The claws may be used singly or in pairs and can vary in appearance from blades on the fingers of the gauntlet to a set of blades extended from the top of the vambrace.

Note: this is the name of the weapon used for characters in power armor; a Power Claw refers to a similar weapon used by Dreadnoughts.