He’s unclenching his fists for the second time when the heat gathers, pulling towards the very center of him. The sensation hurts, a sharp burn and a deep, deep ache, so that he can’t swallow down a whimper of pain. Yet, the Inversion Spell does its job, turning every moment of the pain into a pleasure that peaks through him over and over. After a long moment of pain a surge of pleasure so intense he can’t breathe catches him like a suckerpunch to the gut and he arches, his spine popping at the unnatural stretch.