He was sent to a world where different races and beings wage different types of wars and fight for supremacy.
With a body of a mere mortal, he learned the way of the immortal craft and a different cultivation technique. Making him able to roam the land searching for a place where he could belong.
How can he survive in this dog eat dog world he knows not. But combining the ingenious designs of the modern world and immortal energy, otherworldly devastation awaits those who face, the geared immortal.