AMMON An oracle at Lybia, to which the king Cepheus turned. His wife, Cassipoeia had dared to compare herself to the Nereides and thus called down a curse on her land of Aethiopia, sent by Poseidon, consisting of floods and a giant monster called the Kraken, which terrorized the land. Cepheus, seeking an end to this plague, was told by the oracle that he would have to offer his daughter, Andromeda, to the Kraken.