At that moment, the monster leader suddenly stopped.
"Roar!"
The monster leader burst into a huge roar, its eyes blood-red with immense anger, turning to look in the direction of Black Iron Castle.
"What's happening?"
Liuli was in a somewhat bad mood.
Noticing Liuli's displeasure, the monster leader shuddered, seemingly very afraid, and instantly retracted its wildly raging aura.
Simultaneously, it communicated with Liuli through mental telepathy.
After a while, Liuli's eyes became increasingly dangerous.
Even a terrifying aura began to swirl around him:
"Ah, so they really all hid themselves away!"
"A structure similar to a safehouse, but larger than a safehouse, a castle?"
"And they can even kill level five monsters?"
"It seems the trial participants have indeed improved their strength quite fast!"
"Who is the trial participant that killed the level five monster? That Waldo?"
