When the power of wa-na-ka disappeared in the dark ages of Greece, the connection between Poseidon and kingship was largely forgotten. In classical Athens, Poseidon was regarded as the rival in love and a two-faced man of Erechtheus, the first king of Athens. His tomb was named "Poseidon Erechtheus" and was worshipped by later generations.
Another possible echo of ancient relations exists in Atlantis. According to Plato's Chrittia, the main sacrifice of this mysterious island was that the king offered horses to Poseidon at night.
Ancient religious historians agreed that Poseidon was originally a horse god rather than a sea god, and he was closely related to the power of prehistoric courts. The symbol and main sacrifice of the court is the horse. Therefore, Poseidon's name po-se-da-wo-ne is often associated with wa-na-ka (Greek:
Corresponding to this equation of rider and sailor, when the ship is in trouble, the sailors will call the names of heroic riders casto and Bo Luo (Gemini). The ancient Greeks regarded the fire of Saint elmo as evidence of the existence of these two demigods.