Strange Opponent

"Luo Di, great demon, we need to draw your spinal fluid again today. Sorry for the trouble."

The same gray spinal fluid was extracted. This time, there was no need for a quality test; it only needed to be mixed with his opponent's spinal fluid.

As the gray spinal fluid flowed into the left side of the mixing device,

the spinal fluid from the other side flowed in at the same time.

Unlike the spinal fluid of the previous great demons, it had no bright color, no high temperature, and no corrosiveness. It was a deep black, thick and sticky, with what seemed to be solid particles floating within it.

The two mixed together.

This time,

Luo Di's Gray Spinal Cord, which could adapt to and contain any substance, failed to assimilate the other side directly. Instead, the two underwent a perfectly balanced fusion.

A dark gray mixture was formed, and the organizers would use it to create the arena.

This made Luo Di quite eager to see what kind of great demon his opponent was, and what sort of arena would result from the fusion of their spinal fluids.

He followed the straight corridor to its end and pushed open the doors leading into the inner arena.

There were no desks,

no pillars,

and no unnecessary objects of any kind.

Before him was only a dark gray circular hall, like a transitional area leading deeper into a throne room.

As Luo Di stepped out in his work boots,

a series of heavy metallic impacts sounded from across the hall, like metal boots striking the ground.

Judging from the sound, Luo Di had already imagined a massive war demon clad head to toe in armor.

But when he looked up toward the source of the sound,

what entered his sight