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" Hydra. Kraken. Phoenix. Arian Dolphin. Empusa. Ophiotaurus. “Can anyone tell me what links these Orders?” Orion asked, gazing around the room as if he expected crickets. “They're extinct, sir,” Sofia said, her voice a little high. Orion nodded firmly. “Five points to Ignis. And can anyone tell me why?” He turned back to the board, circling the Hydra Order in red. “Because of impure blood lines?” a raven-haired girl called from the back. “Precisely, Miss Abdul, five points to Aqua,” Orion said. “The Hydra Order is the most recent to become extinct after King Vega died twenty years ago. "
― Caroline Peckham , Ruthless Fae (Zodiac Academy, #2)