All the monsters that filled the hall liquefied and merged. Then it fell to the floor and immediately started to flow in one direction like it was being sucked into a pump. Its final stop was the fire pit in the middle of the room. Kobalos’ magic fire pit sucked up the blood, flesh, and bones like a beggar devouring a bowl of soup. If the fire pit was a vacuum cleaner, Chi-Woo would have bought it for a hefty sum because in just a few seconds, it swallowed up the mess of debris and liquid without leaving even a nail-sized blood stain.

The floor that was finally revealed was covered in symbols. A collection of unrecognizable geometric patterns arranged in the shape of a hexagonal star. It was large enough to cover the entire floor of the room. As soon as Chi-Woo recognized the shape, the hexagonal star glowed an ominous blood-red, and then the fire from the fire pit began to burn brightly.

Gurggle! The molten solution inside the fire pit swirled intensely and rose like a tidal wave before tumbling out. The solution overflowed and looked as if it would fill the whole room. Soon it converged and began to take form. This whole process took place in a matter of seconds.

All the rescue team members slowly tilted their heads and looked speechless. A tzompantli emerged in front of them. It was one of the most famous monuments symbolizing the brutality of the Aztec civilization—a wooden rack made by threading human skulls on a pole. And that was what the solution spit out by the fire pit formed. Various...