User blog comment:Darkcloud1111/''The Mark of Athena'' Plot Holes/@comment-4749365-20121106040443/@comment-71.193.246.34-20130305055759

Leo grinned. “You’re in Leo World, now.” Lion Head turned and stormed down the stairs. Instead of advancing on Hazel and Leo, he marched up the opposite stairs and faced his comrade.

Rick Riordan (2011-12-31T18:30:00+00:00). The Mark of Athena (Kindle Locations 6885-6886). Thorndike Press. Kindle Edition.

nvm, found it ;)