Mortal Refining: My Mecha Immortal

Traveling through the world of immortality, Lin Fan became a low-level casual cultivator and was charged with stealing spiritual fire. Fortunately, the [Item Refining Master] system was activated. While others were refining flying swords, he dismantled the magic weapon and learned the skills from his master, just to save money to buy a membership in the "Star Vault Spiritual Network". While others seek immortality, he silently lights up the skill tree, analyzes materials, engraves spiritual patterns, and goes crazy. When everyone thought he was a somewhat talented weapon-refining apprentice... Lin Fan stood at the feet of his hundred-foot-tall steel giant, looking up at the stars. "Weapon refining? That's just a side job." "A man's romance, of course, is to use a mecha!"