One of these figures in Greek mythology begins his adulthood by plunging into the river Alpheius to ask Poseidon his destiny. That figure was a son of Evadne abandoned as a baby, but discovered lying on a bed of violets. Another one of these named Phrasios hailed from Cyprus and was killed by the Egyptian king Busiris. This role was also held by the son of Ampycus and Chloris, who was asked the number of figs on a wild fig tree - his correct answer to that question sealed the fate of another famous one of these figures. The most well-known one in Greek myth was the father of Manto who died drinking from the well of Tilphossa. The above examples are Iamus and the one who served the Argonauts, named Mopsus. FTP, name this kind of figure also 
One of these figures in Greek mythology begins his adulthood by plunging into the river Alpheius to ask Poseidon his destiny. That figure was a son of Evadne abandoned as a baby, but discovered lying on a bed of violets. Another one of these named Phrasios hailed from Cyprus and was killed by the Egyptian king Busiris. This role was also held by the son of Ampycus and Chloris, who was asked the number of figs on a wild fig tree - his correct answer to that question sealed the fate of another famous one of these figures. The most well-known one in Greek myth was the father of Manto who died drinking from the well of Tilphossa. The above examples are Iamus and the one who served the Argonauts, named Mopsus. FTP, name this kind of figure also represented by Calchas and Tiresias, who tend to excel at predicting the future.
One of these figures in Greek mythology begins his adulthood by plunging into the river Alpheius to ask Poseidon his destiny.
{seer}s or {prophet}s (accept any reasonable equivalent, or accept