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.