Betrayed by his bonded serpent, Claire, during a championship duel, gifted beast tamer Emil Smith walks away from Obsidian Academy. Deep within a sealed abyss, he meets Diana and Lora, two ancient thunderbirds who choose him as their master. Ten years later, the mysterious Nightwalker returns to claim the championship and uncover the truth behind his benefactor Elowen’s death. Beyond the arena lies a forbidden zone hiding centuries of cruelty, stolen power, and broken lives. With his thunderbird
