 Once a complete Arrancar, Grand Fisher attempted to hunt down Ichigo, only to end up chasing down Kon in Ichigo's body before being killed by Masaki's husband Isshin Kurosaki.Ichigo later learns that Grand Fisher was only able to kill Masaki as a result her being effected by Yhwach's Auswählen.Metastacia is a quadrupedal hollow with many tentacles growing from his back, introduced in a flashback establishing Rukia Kuchiki's past.