The fear of death diluted Nelly's joy at discovering the Wall Carvings.
She did not linger where she was for long. After taking photos, she continued swimming forward, but the stories on those Wall Carvings did not end there. Although Nelly forced herself to focus on finding a way out, she still glanced at the Wall Carvings around her from time to time.
She could not help it. Unless she kept her eyes fixed directly ahead, she would always catch sight of those Wall Carvings while searching for an exit.
Her dive computer showed that she had reached a depth of thirty-five meters. This place was nearly ten meters deeper than where they usually dived. In other words, the pressure had increased by another atmosphere, and the compressed air in her tank was being consumed even faster.
At the same time, the Wall Carvings grew darker, abandoning their earlier romance. The grown children returned to the sea and gathered together in enormous numbers. They followed two leaders. One was a merfolk like them, only vastly larger, while the other was a gigantic serpent with nine heads.
Speaking of the Nine-headed Serpent, aside from the famous villainous organization in the Marvel universe, the most famous one was Hydra, the monster from Greek Mythology. Naturally, it too was an out-and-out villain.
That seemed to be reflected in the Wall Carvings. Led by the Great Merfolk and the Nine-headed Serpent, those merfolk wreaked havoc in the sea and held bizarre, disgusting rituals. They also lured in nearby natives, trading schools of fish and something like gold for the right to breed with them.
These merfolk placed an unimaginable importance on reproduction. Yet, for some reason, they could not breed with one another, so they could only deceive humans. When necessary, they even disguised