The Geared Immortal

He was sent to a world where different races of beings wage wars with each other. Why was he send there? By accident or by the crafty hands of fate no one knows. With a body of a mere mortal, he learned the way of the immortal craft and a different cultivation technique, which helped him roam the land searching for a place where he could belong. How can he survive, he knows not, but all he knows...