Hekireki (霹靂 Thunderclap) is a Lightning Magic Spell.
Through a simple hand movement, usually a click or clap, Thor will create a large surge of lightning throughout his hand which he releases as a potent shockwave. This shockwave is able to devastate several trees and even some buildings before dissipating. Although one of his basic spells, it is one of his most powerful, destructive capability wise. It is the parent spell of Ōshi, Hekireki