Decades in the Cauldron: I Convert Evil Spirits to the Righteous Path

In the blink of an eye entering the cauldron, decades pass in the human world. Lin Che never dreamed that for seizing the Hundred Refining Cauldron, he would be trapped in this cramped space for twenty whole years! Outside, the Corpse Yin Sect runs rampant, and the righteous path withers. Inside the cauldron, the billion-soul banner's evil aura surges into the sky, and evil spirits howl. Without freedom, without sunlight, Lin Che smiles. 'Since I can't get out, I'll convert the billions of evil spirits in this cauldron, one by one!'