It wasn't entirely certain that this was the method to enter the King-level Secret Realm, the Hell Gladiator Arena, but it was close enough.

It seemed that by passing through the lightning in this Thunder Zone, one would be teleported into a dedicated challenge domain to complete the challenges within.

Clearly, just one challenge wasn't enough, as Zhang Yue didn't notice any significant changes.

So, Zhang Yue used a potion to restore his health to full.