"Maybe if we had Percy, considering we're underwater right now. But beyond that, I have no clue. I'm not even sure Percy could figure this one out."

Will watched Nico, and raised an eyebrow. "Oh no. You are not shadow traveling. You could end up outside the domes, and unlike a certain son of Poseidon, you can't breathe under water."

Shadow traveling with scuba gear and an oxygen tank was a possible solution but, he wasn't bringing that up to Nico just yet.