B27C12/19 - 10-12

<Is there no Earth being that can dive down fifteen thousand feet?> Ax asked.

"I don't think so," Cassie said, frowning. "I mean, the only deep-sea creature that even comes close is a sperm whale, and their record is like ten or twelve thousand feet, I think."

(...)

I exhaled, spouting spray and drawing in enough air to last to maximum dive capacity. Passages in my massive head filled with water and, all automatically, the waxy deposits of spermaceti cooled the water and sent me plunging.

Ten thousand feet. Maybe even twelve thousand feet.

Into giant squid territory. I hoped.

Where the atmospheric pressure could squeeze every last molecule of air from a human body.

<Ready, Rachel?> Tobias asked.