Of Demigods and Wizards

When Ron Weasley discovers that he's the son of Poseidon and a mortal woman, he has no idea of how much his life and the lives of his friends will be changed forever...

Percy Jackson: Grandson of Voldemort

Takes place after the Deathly Hallows and the Blood of Olympus Percy Jackson thought he could finally live a normal life. He was going to fail high school, be the captain of the swim team, spend a whole, normal year with Annabeth. Yup, not gonna happen. Harry Potter has to redo his seventh year at Hogwarts. At least...