The Ruler of Darkness

"It was a book. It was a scripture."

Its cover was made from the skin of those who bear grudges against humanity. Its text was written in the blood of those who bear grudges against heaven. Its binding was woven from the sinews of those who bear grudges against the earth.

An ancient demonic tome: Scripture of Controlling Darkness and Shaking the Heavens.

At the final moment of his life, Yeon So-hyeon forms a contract with Scripture of Controlling Darkness and Shaking the Heavens and begins to rewrite his own fate.

A peerless genius meets an ancient demonic artifact!