Someone who shouldn't have been back alre-

[Percy stopped himself mid word... as if realizing, again, how much time had passed. Almost flinging it, the water surges back to the shrine.]

Back then... Arachne used to send spiders to attack the children of Athena in revenge. We defeated her... but monsters don't stay dead.

[He squints after the last of the retreating arachnids, considering whether to leave Miles here and go after them himself.]