My Multiverse System Makes Me a God

Dumped penniless and starving into the deadly Fuyuki City, Xia Qing's dream of transmigrating quickly became a nightmare. The Fourth Holy Grail War was raging, and he was just a homeless nobody, about to die of exposure... until a mysterious \"Theocracy System\" awakened. Its shocking power? An \"Exchange List\" filled with abilities from his favorite anime and manga! From Platinum Star to Uchiha bloodlines, the path to absolute power was finally open. His first gift: top-tier magical circuits and a random draw, landing him the legendary Lancer, Cu Chulainn, as his Servant. Now, with the power to pull iconic abilities from across the multiverse, Xia Qing isn't just fighting for survival. He's on a collision course with heroic spirits, ancient mages, and even future world-hopping threats – all while building an arsenal to transcend mortality and truly become the God of Comprehensive Manga. But what happens when the very worlds he's drawing power from start drawing him in?