Her name was Cassandra.
Apollo has a priestess at Delphi that is an oracle who could foresee the future.
Christianity, and it did.
well in Greek mythology Medusa could turn people to stone by looking at them.
There were three women called 'The Graeae' who were blind and with one eye each could predict either the past, present or future.
you can't beat Greek mythology, because they think the gods are real, today the god of Greek mythology are not to think of much. the Greeks thought the gods are the most powerful,immortal, gods of Greek. and if they were real(not saying that they aren't) they could kill, if interfered. plus, you don't know where they are because they can turn into human form. so the answer could be no, you can't beat Greek mythology.
This was Poseidon.
a pure white horse that could fly
No one could kill Eros. In Greek mythology the Greek god Eros is immortal.
Cassandra, daughter of the Trojan King
the closest you could get is in Greek Mythology, Athena, goddess of wisdom.
Hades had an invisibility cap, or helmet.