Board Thread:Percy Jackson & the Olympians/@comment-29079027-20160715225812/@comment-28759193-20160716115242

^^^One of the main characters.

Aside from that, maybe because she was the greatest of Athena's children. I mean, in Mark of Athena, Arachne said she had been watching her, then says 'truly you are her most talented child' meaning she must have been having suspicions before.