The Villain Who Doesn't Want to Practice Uses Technology to Become Invincible and Cultivate the World of Immortality

Why did you squat so hard that you got dizzy and entered the world of cultivating immortals! ? The original owner was a villain who liked to capture people for experiments, and even reached out to his sister Yutongxin. Just when he was about to try to take out his sister's fairy bones, I suddenly came to this world with the system and became Yuyuyun. . . Since I don't want to experience being a child of destiny, I decided not to step into the ranks of cultivating immortals. I will just hand-make nano-humanoid battle armor and Gundam mecha, and be a fully armed "waste" in another world with peace of mind.