 Yammy is one of the first arrancars to be introduced, appearing alongside Ulquiorra when they arrive in the human world to find Ichigo Kurosaki.Soon after they arrive, Ichigo and his friends appear, and a battle occurs between them, during which Yammy loses an arm to Ichigo before they retreat.Later, an arrancar surgeon reattaches Yammy's arm and he accompanies Luppi, Grimmjow, and Wonderweiss to attack the Soul Reapers in the human world.