I Synthesize Evil Spirits in a World of Folk Customs

Feng shui and divination, summoning immortals through a spirit medium, driving out evil and calling back souls, making paper effigies and venturing into the underworld…

Chu Yang transmigrates to an ancient world in chaos, where ritual and order have collapsed and evil spirits run rampant.

Fortunately, he can fuse different evil spirits, keeping their strengths and discarding their flaws to evolve them perfectly and create and control entirely new ones.

Paper effigy + candle flame = burning paper effigy.

Water ghoul + coffin lid = grave-digging water ghost.

…

Sometimes Chu Yang wonders: paper effigies and flames, water ghouls and coffin lids, things with nothing in common or even opposed to each other, can still be fused together?

That’s not very scientific.

But then he remembers that he has come to a world overrun by evil spirits, and that the only way to survive is to control evil spirits and use them against other evil spirits.

So it’s only right that it isn’t scientific.