Magical World, Give Me the Nantianmen Plan!

Time travel + system + magic world + Nantianmen plan + farming flow + slow pace + micro-imagination Travel to the magical world, obtain fragments of the godhead, and bring with you all the technology of the Nantianmen Project. Watch the protagonist use various magically modified high-tech weapons and add magic, start from scratch, grow step by step, break the rules, find new ways, kill decisively, fight wits and courage, and lead the undead clan from despair to glory. Rule all races, flatten the plane, fight against the Lord God, and dominate the Creation Hall. . .