Ingaiyo, also known as Ruler of Armors, Ingaiyo, is the strongest Swordsman of the Imperial Pirates that hailed from an unknown island within the Grand Line. They, with the rest of the Imperial Pirates, serve as major Antagonists within Trials of the World, wreaking havoc across the globe with their crew, and constantly fighting with those that oppose them, such as the World Government. Before joining the Imperial Pirates, Ingaiyo was a travelling Swordsman that was eventually recruited by a Pirate Crew. However, after the Pirate Crew's defeat by the hands of the Imperial Pirates, Eonzo D. Into saw promise in Ingaiyo and decided to spare their life and allow them to become apart of his crew. After displaying their capabilities in several battles, Into promoted them to the position of Eitos