User blog comment:KaiserLos24/New Shadow Isles Champion- Kalista (Maybe :P)/@comment-5921332-20141023235321/@comment-5921332-20141024081941

Perhaps a theory of treason for hecarim is his betrayal to his humanity. The Western Altar has a quote specifically for Hecarim, and that is "Remember who you once were, Hecarim". This means that Hecarim, either willingly or forced, betrayed his humanity and succumed to the influence of the isles...