The air bubble worked perfectly to Adelle's relief. Adelle, Sabine and Mark (who was smirking as if saying "Who is the best?" at her) swam down to the bottom of the pond.
"Here's the tunnel." Mark said, pointing at the dark cave. "Whoooooo creepy," Sabine said, stretching her neck to peer at the underwater tunnel. "Yeah, right?" Mark said, smiling. "C'mon, let's go." he said. And swam headfirst in the tunnel and the unknown danger.
![](https://img.wattpad.com/cover/303052003-288-k921714.jpg)
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The Children of Hades (Percy Jackson/Heroes of Olympus/ Trials of Apollo Fanfic)
FanfictionIt all starts when Bianca Di Angelo chose to be reborn. She is reborn in the body of another child of Hades named Adelle Snow then... When Adelle comes back to camp, she finally feels at home, but soon... she realizes that she is a reincarnation o...