This entry belongs to the lexicon of Acenes of Sparta: The Dragon Slayer, free on Kindle Unlimited.
Cerberus
Known only from this scrollThe three-headed hound that guards the entrance to the Greek underworld, preventing souls from escaping back to the world of the living. Each head represents a different aspect of its guardian nature: calculated patience, controlled aggression, and pure instinct.
Acenes of Sparta: The Dragon Slayer
A dragon is the reason the 300 died. Leonidas used the magic of the gods to bind Kalaxes beneath Taygetus, and the price was his life and his men's. Sixty-two years later a seven-year-old of the agoge falls into the dragon's crypt and inherits the unpaid balance.
Free to read with Kindle Unlimited. Open it on Amazon.