Honghuang: Equivalent Exchange, Starting with the Nine-Turn Arcane Art

[Reborn] [System] [Honghuang] After transmigrating, Lin Huang arrives in the Primordial World during the Witches and Demons calamity, becoming a lowly crow spirit. The calamity has just begun. Heaven and earth are in chaos, and with the great tribulation underway, death is only a matter of time amid the fighting. Fortunately, from the start he awakens a god-tier exchange System. As long as he accumulates exchange points, he can trade them for anything he wants. Refine his bloodline, exchange for magical treasures, strengthen pills... The Nine Revolutions Profound Art! The Pangu Axe! The Thirty-Six-Grade Chaos Green Lotus! From a little demon to an unparalleled Demon Saint, he looks back and finds himself already standing at the pinnacle of Honghuang!