The water is decreasing.

Although Jiang Xuan couldn't see anything in the darkness, his Thousand Threads Secret Technique could not only sense conventionally, but also sense objects. With the double superposition, he still had "vision" in his consciousness, but it was colorless and only gray and white.

Therefore, he "saw" that in the passage of the belly of this thousand-foot giant beast, there were cracks on the surrounding flesh walls, and deep in the cracks there were gill-like structures. Water flowed through these cracks, which was obviously the feeding and filtering process of aquatic monsters.

Including some small fish and shrimps, they would be filtered and left behind.

"Woo-oo!"

"Crack!"

"Hiss!"