The user joins their hands together on their back, creating a black and purple energy sphere and rowing their arms forwards, extending their left arm in the air holding the energy sphere and quickly placing it on the field. As waves of black and purple energy crash through the field towards their opponent, it makes them trip and be stuck in a swamplike swarm of black and purple spirit hands, which grab onto them. Once the ball emerges from the swamplike spot, the user picks up the ball and springs forward, successfully stealing the ball from them.
Its name, Onryou, is a reference to the eponymous type of ghost in Japanese folkore which would go back to the world of the living to exact their revenge.