Medea, in Greek mythology, an enchantress who helped Jason, leader of the Argonauts, to obtain the Golden Fleece

from her father, King Aeëtes of Colchis

Colchis

Colchís, Kolkhís or Qulḫa which existed from the c. 13th to the 1st centuries BC, is regarded as an early ethnically Georgian polity; the name of the Colchians was used as the collective term for early Kartvelian tribes which populated the eastern coast of the Black Sea in Greco-Roman ethnography.

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Colchis - Wikipedia

. She was of divine descent and had the gift of prophecy. She married Jason and used her magic powers and advice to help him.

What does Medea do to Jason?

Medea gave Jason a lotion to rub on his skin that would protect him from the fiery breath of the bulls. With Medea's help, Jason managed to yoke the ferocious bulls to the plough and planted the serpent's teeth. The teeth instantly grew into an army of men who fought each other until every one of them was dead.

What is the point of Medea?

Medea's motivation is a desire to punish her husband, a major category used by researchers investigating the background to such crimes. One research article even suggests that mothers are more likely to kill male children if their motivation is vengeance: Medea's is, and her victims are both sons.