t down in meditation, running the true qi within his meridians.This practice of reversing the flow of true qi is something that most cultivators would never attempt.This is a form of self-harm, like a..."Whoosh..."

A flash of light, and the stone door swung open.

"Please, Great One, let us go! We have committed no crime. We are Demon Kings, appointed by Your Majesty himself! Release us!"

Before I even stepped inside, I could hear the hysterical screams coming from within.

"Tap tap tap..."

Fang Yu's footsteps echoed within the cell.

Stepping into the cell, even in the dim light, Fang Yu could still see three figures.

They were hung on the wall, their limbs nailed to it with some dark long nails, blood still dripping from their bodies, and their breaths faint.

These three were the other three demon kings who participated in the siege of Lin Daochen back then.

Ancient Crystal Demon King, Earth Blaze Demon King, True Grace Demon King.back then, my department, the Celestial Observation Bureau, wouldn't have missed a single whisper."Upon hearing Bai Konggu's response, Fang Yu nodded.Over the past few centuries, Fang Yu had lived a c...