Since the time skip, Roronoa Zoro's closed left eye has sparked intense speculation among One Piece fans. Theories range from a concealed demonic power to a key for unlocking a final, powerful form.

This side of Zoro’s personality has been shown on multiple occasions, like when he ordered Chopper to stop crying during the Davy Back Fight or when he told Luffy to be stricter with Usopp in ...