[ Percy was just voicing what Cassian was going to say. But he may as well have said it in tandem with the hard side eye that he gives Annabeth. Granted, he has no idea what Chuckie is (or maybe it's who), but the sentiment is still there in his pointed silence as Percy continues doling out sass.

The only reason he hasn't walked away is because he's already experiencing more guilt than he's typically does. And because deep, deeeeep down, a small part of him does in fact appreciate their tomfoolery.

So with no other choice than but to stay and see this task through he contributes to said tomfoolery. ]

I can't levitate either. [ Just in case they needed to rule that out. ] If we ask around we can probably find some leads. Nott is too big for us to search between the three of us. And if they move on their own they're probably going to try and stay ahead of us so they don't get caught.