Summary
Zeru serves as the Captain of the Jolly Devil Six and possesses abilities centered on fire techniques (火炎術). His offensive repertoire is limited to Fire Aura and a standard fire blast. In his confrontation with Hiei, Zeru appears to punch the latter through the stomach and follow up with a fire blast, seemingly killing him. However, Hiei reappears behind Zeru, exploiting the fact that fire-based attacks are ineffective against other fire demons. Unaware of this weakness, Zeru is stunned and subsequently killed by Hiei’s infamous Black Dragon Hell Fire (Jao Ensatsu Koku Ryu Ha), known as Dragon of the Darkness Flame in the English version. He holds the rank of Upper C class demon.
