Saigai (災害, Japanese for Disaster) is the comrade of former 7th Espada, Zenmetsu and his trusted team-mate. Saigai was once the recognized leader of the Privaron Espada, having the 3-digit number 100, but has since abandoned the title since he betrayed G's Arrancar. He is a feared member of Averian's faction with the Collective Vices and feared throughout Kōhai Tochi for his and Zenmetsu's powers.