You are reading How the World's Strongest Mercenary Conquers Otherworldly Dungeons Chapter 1. “Welcome, hero from another world.” Ryuji Hasumi, the world’s strongest mercenary, is suddenly transported to the heart of an otherworldly dungeon while carrying out a mission. Guided by the echoing inside his head, Ryuji comes across a group of monsters attacking adventurers. With nothing but a kn