Throne War: Rise of the Rejected

Eighteen years ago, Poseidon sealed his newborn son's divine core and sent him to a mortal fishing village. Raised powerless and dismissed as a failure, Kairos activates a "Divine Throne Contest System" on his eighteenth birthday—challenging the Olympian gods as a mortal using science and human wisdom. He defeats gods with fluid mechanics, optics, and momentum, only to discover his abandonment was a chess game his father set in motion eighteen years ago.