Rairyūō no Hōkō

Jinrai (迅雷, Thunderclap) is a technique of Hayato Nakamura's Bankai, Ōarashi Tenraimaru.

Description
By raising the blade in the air, Tenraimaru gathers a vast amount of electricity in the storm clouds before unleashing a large bolt of lightning upon the target, which then explodes into an incredibly powerful shockwave capable of vaporizing even the largest of foes.

Variations
Mugen Jinrai (無限迅雷, Infinite Thunderclaps): An enhanced and far more destructive version of Jinrai. After his training under the, Hayato managed to unleash an infinite number of Jinrai's lightingbolts simultaneously throughout a large vicinity, greatly increasing the technique's radius. Shunsui Kyōraku once commented that Mugen Jinrai's destructive power was capable of destroying all of Soul Society ten times over.