I Build Weapons in Another World

Chu Tianshu, a genius in science and engineering, transmigrates into a cultivation world, only to find himself at the very bottom of society, with the worst talent of all. To protect the people and home he holds dear, he begins cultivating through technology.

You've got talent? I can build a gun.

You've got a high rank? I've got an AK.

You're heaven's chosen one? I've got a Gatling gun that spits blue fire.

When a big shot appears, the world and sky change color. No problem: I'll hand-build a nuke and blow him up. Below the immortals, I'm invincible.