Shattered

Percy's eyes snapped open. He was no longer in the throne room... He wasn't even on Olympus, he was pretty sure. He was in the back seat of his mom's car, and he was shorter. He looked around himself, Thalia and Annabeth were soundly asleep, on either side of him, and his mom was focused on the snow covered road. The...

FROM HERO TO VILLAIN

Percy is betrayed. He is banished to Tartarus for a crime he did not commit. When the Olympians come to him for help, let's just say that they are in for a Surprise.