He was very curious about how such low-end matches could possibly entice adapters into participation, but upon reaching the arena, he was stunned by what he saw.

What is this? 

The two people who were preparing to face off in battle were both extremely thin and frail. It was as if they had suffered some type of condition that resulted in muscular atrophy, and they were essentially nothing more than skin and bones, relying entirely on their prosthetic limbs for movement.

Furthermore, they were wearing some type of hollow helmet on their heads, and there were sharp metal spikes on the inside of the helmets, piercing directly into their skulls to connect with their brains. With each jolt of electricity that passed through the helmets, the two would spasm violently.

"What are those...