Darkness Consumes

You all know him as the confident, very sarcastic and care-free leader he is. He lead them against Kronos and Gaia. But when his parents are killed and then kidnapped in the night you would change too. He was turned into a killing machine against his will. He was stripped of his identity and born into a new light. He was Percy Jackson, son of Poseidon, god of the sea. But now he is Theta sometimes and Luka other times. But can Annabeth and his friends change him back? Or will he be scarred forever?