Hadrian Evans: The son of Hades

He was known by three identities.

Harry Potter: The boy who lived, Saviour of the Wizarding world

Hadrian Moiz Evans, his true form: The son of Hades. Half brother of Nico di Angelo. Twin of Luna Sierra Slytherin

Moiz 'Rian' Evans: His form before he was claimed by his father at camp Half Blood.

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she was known by four identities

Sierra Slytherin: the Slytherin girl who mysteriously bore the last name of one of the founders in the wizarding world

Luna Sierra Slytherin: The daughter of Hades, her true form, half sister of Nico di Angelo. Twin of Hadrian Moiz Evans.

'Sia' or 'Lune' Slytherin: Her form before she was claimed at camp half blood.

Lue Potter: The dead sister of Harry
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The twins were the saviours of the wizarding world together. Half blooded wizards had not existed for centuries. The two would face many challenges. At camp half blood, with their best friends, Annabeth and Percy along with Grover, they would fight during the summers. And for the rest of the year, the children of Hades would attend Hogwarts. Hadrian would act as 'Harry Potter' the malleable Gryffindor and pawn for Albus Dumbledore but who, behind the scenes was someone who would kill for his friends and family Luna would act as 'Sierra Slytherin' the pure blooded witch who would slay anyone and anything in her way. Together, the two would make the deadliest duo the world had ever faced. The prophecy of Seven would be the prophecy of Nine, carrying the two children of Hades. Kronos would fall. Gaia would be slain. Lord Voldemort would rise but would not be slain. He would be turned back into his original form, the only other Half Blooded Wizard. Tom Riddle would aid the twins.

Luna and Hadrian would find love where they least expected it as Cupid had said. But find it they would.

Crossover between HP, PJO and HOO

"If we are dying, i'm glad i got to tell you how much you mean to me."

"I love you Nico."

"I love you too."