Yamaoroshi

Yamaoroshi is one of the fifty Skillful Grade Swords. It was wielded by Billy the Orca Killer until he was beaten by Tashigi, who then claimed the sword for herself. Tashigi has not yet been shown using the sword.

Abilities
Yamaoroshi's capabilities are unknown, but under Billy's usage, he boasted that he was able to chop a killer whale with it.