Board Thread:The Heroes of Olympus/@comment-27091614-20151203164051/@comment-1515612-20151203171730

Cyclopes are "monsters" so the border should stop them. Demigods are not monsters and should be able to cross the border just fine. Although, Octavian did have monsters, the magical border was failing so they could get in... I think. (I burned BoO out of my mind.)