User blog comment:Darkcloud1111/''The Mark of Athena'' Plot Holes/@comment-5632245-20121017225058/@comment-69.165.146.170-20121023011314

It was before capture the flag when Percy was starting to get use to flag. Percy and Grover just finished climbing the climbing wall and they were talking about Grover's job. Grover said he could only get his searcher's lisence if he can go on a quest with Percy. Grover says thats impossible and Percy is probably a son of a minor god and he mentions Nemesis.