User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-76.219.133.10-20130605154611/@comment-4649443-20130606015150

Actually, he was 12 years, 11 months and 25 days old(he was probably approached by Rick right after TLT, when Percy was about to collect his stuff so he could move back into New York City....