After Pangu fashioned the sky, an overflow of sacred energy permeated the earth and transformed into celestial weaponry that caused turmoil in the underworld. These armaments consisted of arrows that could penetrate walls, a weather-changing umbrella that summoned mammoth whales, and a spear capable of turning a frigid peak into a scorching inferno. In order to vanquish the family's longstanding curse and uncover their true foes, Li Cangsang and his son must conquer the wielders of these mighty instruments of annihilation.