Chapter 624: Altar

At the center of the space stood an Altar built from countless skulls. Some were human. Some belonged to demon beasts. They packed together in a suffocating mass, piled high like a mountain of bone. In every skull's eye sockets burned a sickly green ghostflame. Thousands upon thousands of skulls, thousands upon thousands of flames, washed the entire Underground Space in a miserable green glow. Above the Altar's peak, a fist-sized object floated in midair. It was a heart. A heart that kept beating,...