Disclaimer: Buffy the Vampire Slayer and 300 belong to their respective creators, Joss Whedon and Frank Miller.
They made him king. The Far Striker himself had called him a king of Sparta, and the ephors backed him over his half-brothers. He became a king, despite being unmarried, and it was said that he had always been meant to be king. He was a war hero, a peerless warrior in a race of warriors, a true son of Sparta, and his bloodline was that of Herakles. And, too, he had killed the wolf, all those long years ago.
People began to talk about what the Oracle had said. She comes. Apollo himself had promised him a wife, and the talk was rampant in the streets, in the palaestra, in the mouths of Peers and Gentlemen-Rankers and citizens and helots alike.
The talk spread throughout Greece, and then to all the cities, from one end of the world to the other. Many did not take it seriously, derided the Spartans for being so superstitious. Some thought it a trick, though to its purpose, none could tell. The Athenians, in particular, loudly ridiculed the Agiad king of Sparta to whoever would listen.
But everyone watched.
Everyone waited.