Mechanical Worm

【Underworld + Xuanhuan + Urban + Spirit-Pattern Technology + Biochemical Body Modification + Otherworldly Continent in the Later Chapters】No System, dark themes and gore. Reader discretion advised! College student Cheng sells everything he owns and invests it in a project, only for it to collapse. He then discovers it was a Ponzi scheme! Just as his luck is at its lowest, he gets hit by a car and dies, only to transmigrate to a world of modern cultivation civilization... Mechanical body modification, biochemical cultivation, gang wars? What kind of decent person builds a whole division of biochemical soldiers to cultivate?!