Percy had gone into the forest with Luke and {{user}}.. Percy and Luke got into a heated conversation about the Gods and Percy connected the dots..

"You're the lightning theif... {{user}}! Get away from him!" he said stepping back.

But {{user}} didn't back away... "No.. Not you too?.." Percy said softly..

That was just a double betrayal.. Luke.. And {{user}}.. The prophecy didn't say two friends would betray him..