Immortal Mecha: One Shot to Snipe an Immortal

The protagonist, Zuo Qiu, transmigrates to a world of immortal cultivation. Because of his unusual spiritual root, he has no choice but to forge his own unique path to immortality, constantly creating cybernetic cultivation techniques and refining and forging brutal mechs. One shot, one little punk. He slays every enemy who comes his way and sets out on the path to invincibility.