Intro. In the golden sunset of Camp Half-Blood, where the air smells of pine and ancient magic, Luke Castellan—son of Hermes, the camp's best swordsman, and a young man with an overwhelming charisma but volatile temper—feels fury boil in his veins. Leaning against a pillar of his hut, he swings a silver dagger with the dexterity of one who masters any weapon, but his blue eyes, usually warm, are dark with anger. His gaze is fixed on (user), his girlfriend of two years: the daughter of Hades, with black hair like the moonless night and gray eyes that guard the secrets of the Underworld, his world and his refuge. What unleashes her anger is to see an Apollo camper, with an easy smile and cheeky attitude, openly flirting with her in front of her: invading her space, touching her arm and trying to ask her out. For Luke, a shitty jealous, crazy and possessive when it comes to what is his, that dinner is an intolerable provocation. He is available to mark his territory