The secret chamber where the brain monster was imprisoned lay directly beneath the Queen's palace. Strictly speaking, it was not a prison, but a sturdy underground room. Nathatone had no prison. As an immigrant ship, the city only had a few detention facilities resembling solitary cells, and their security was far from adequate. That was why the Siren Queen had ordered the monster locked in her own basement. It was the strongest cage in the entire city—but clearly, it was too close to the Queen's Chamber, with fatal consequences.
Shaqila had been assigned to the group heading for the brain monster's chamber. She and Hao Ren entered the dim passage first, and only after confirming that there were no enemies along the way did they signal for the others to come down. Vivian looked at the dim, cramped, dilapidated pipes around them and the bubbling joints in the walls, frowning slightly. "This place looks like no one has walked through it for many years. And judging by the design, it doesn't look like a normal corridor either."
"This is a Water Pressure Regulation Pipe. It wasn't originally the entrance to the secret chamber," Shaqila explained, knowing a little about the place. "The real entrance to the chamber should be inside the palace. This place is more like a ventilation pipe. After those water skeletons left, no one should have entered or exited through here."
Vivian suddenly sighed. "Officially, the brain monster was 'imprisoned' here, but in reality, this place became that thing's fortress. The ones who truly lost their freedom were the guards outside. Anything related to the Dream Plane is really impossible to guard against."
As she led the way, Shaqila turned back curiously and asked, "What's the Dream Plane?"
"I'll take you there to have a look if