It was a long, narrow passage, longer than any of them had expected.
This suggested that the metal platform's outer shell might be extremely thick. Otherwise, there would have been no need for such a long passage.
Had they chosen to bore their way in, the hardness and thickness of the walls would probably have cost them quite some time, even with Yang Yi helping. Fortunately, they had found an entrance.
They swam upward for nearly ten kilometers before finally entering a slightly larger room.
After Yang Yi, who was bringing up the rear, entered, the outline lights in the passage went out. Then the room began draining. The water level dropped rapidly, and the floor dried. All three landed on their feet and looked around.
"This should be a decompression chamber."
Su Na spoke as she looked at the walls.
Apart from the white light strips embedded in the walls, almost every structure was made of this unknown metal. Taking the metal platform's size into account, the amount of work involved was staggering. It was nothing short of an industrial miracle.
As expected of the Kambal Duchy, which had built a gigantic construct like the Darkness Expeller. Its capabilities were terrifying.
Yang Yi grew more alert, closely watching for changes in their surroundings.
The passage they had come through had already been sealed by a sliding cover, leaving almost no gap.
But no new door opened for them. This was a completely sealed room.
Suddenly, an unknown spherical device extended from a corner of the ceiling. Yang Yi immediately stepped in front of the two women. A pale green beam swept toward them, passing over Yang Yi like a wisp of gauze. It was not an attack.
But the instant it touched him, the entire room seemed to lose