Wasteland Maintenance Worker: Saved the Terminally Ill Fairy at the Beginning

Traveling through the world of cultivation, others practice swords while I repair cars. The magic weapon is broken? The formation collapsed? Is your spiritual vein dry? Even... The fairy's life is about to end? Come to me, the price is fair and the technology is excellent. Until I discovered that the "psionic engine" of this world was stalling, and the key to restarting it was actually closely related to my mother's life. This time, what I want to cultivate is the future of the entire civilization.