[Nico missed it by a few months and that is Truly Tragic. Still, he listens to the idea and while he's not entirely happy with the thought given how the woods can be, it's also not an entirely bad plan either.

(Not that Percy is an expert at calling out bad plans, but whatever.)]

I haven't met anybody else who can summon or talk to the dead yet. Could be the route we need that we haven't had a chance to try. [A pause.] If you're gonna go and take Mrs. O'Leary with you, check in when you get back.

[Even though Nico just got there, he'd rather not try to figure out how to juggle someone else he's familiar with disappearing into thin air.]