After transmigrating to the Taixu Realm, Zhang Xing opens a shop that sells just about everything and makes a fortune through blind boxes and auctions. When war breaks out between the righteous and demonic factions, he supplies both sides, becoming an arms dealer who plays both sides and runs a booming business. Unexpectedly, Li Changqing of the demonic path accidentally uses a formation to blast open the realm barrier, releasing chaotic energy and allowing extraterrestrial demons to threaten the realm. After completing his mission, Zhang Xing survives his tribulation and ascends to True Immortalhood. He joins forces with Li Wentian of the righteous faction and Li Changqing of the demonic faction to gather materials and search for fragments of the Realm Core. After countless bloody battles, Li Changqing also rises from destruction and proves his Dao to become a True Immortal. Together, the two successfully repair the realm barrier and avert the destruction of the Taixu Realm.