Percy Jackson: The Rise Of Darth Malak

Percy and Jason have not been seen in years.
After the betrayal of so many campers, they left Camp Half-Blood only to be picked up by the Jedi Order.
After twenty years of being galactic heroes, Percy has once again been plunged into a war that would end in a lot of deaths. He had ended the Mandalorian Wars, sure. He has saved so many worlds that he has lost count. But never before has he faced the Sith.
After a friend turns to the Dark Side and becomes the new Dark Lord of the Sith, Percy and the rest of the Jedi Order flee to the one planet where Percy think will keep them hidden - Earth.
When he returns home, he finds out that so much has happened in the last twenty years.

He is now known as...Revan, hero of the Jedi Order.

(I do not own the original story of Percy Jackson and StarWars. This is my own interpretation of the story, based on the characters done by the original creators and authors.)