One Piece [HD]: Roronoa Zoro - Ittoryu - Iai: Shi Shishi Sonson

A stronger version of his original “Ittoryu Iai: Shishi Sonson“. Zoro swings his sword in a very quick and powerful unsheath move to slice his opponent. This attack is strong enough to easily decapitate a legendary beast like a Dragon. It was first shown to decapitate the Punk Hazard dwelling dragon