Many cultivators who lived in faraway areas were able to travel to and enter the Chaos Arena within the period the passage was open to all.

The Chaos Tablet was a powerful, precious item that was very effective in the subjugation of extraterrestrial demons. The Chaos Arena was found and sealed inside the Chaos Tablet. It was created as a small, independent universe of its own by Emperor Raiah.

The rules of the battle held in the Chaos Arena were slightly different from those of the Boundless