What really happened after Tartarus? What if Percy and Annabeth met a person whom helped them?

Vannessa Evans lived and trained her whole life in The Academy living as a orphaned,powerless bonded one but when she goes into real-world highschool Her life is turned upside down.

"I was scarred, I was bruised not only on the outside but on the inside. And no one seemed to care and that was fine with me and well, magic." Ava Lively saw her dad die and met a mysterious cloaked man her took to a magic school and discovers her family's past.