Elves, Wizards and Demigods Unite: A HP, PJO and KotLC crossover

When Harry, Ron, Hermione, Sophie, Fitz, Biana, Dex and Keefe all wake up at Camp Half-Blood and meet Percy and Annabeth everyone is confused. Then things take an unexpected turn when the villains of their worlds band together to take them down. There only option is to go on a quest to find a hidden object that will give them a fighting chance against Voldemort, Luke and The Neverseen. Find an object, defeat the bad guys, live happily ever after. Sounds simple, right? Well, nothing is ever easy with these characters. The battle will be the hardest they have fought yet, but that's if they can survive the quest...

Disclaimer: All characters belong to Shannon Messenger, Rick Riordan and J.K. Rowling.