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Origin

The myth of Minerva's birth follows that of Athena. In it, Minerva was borne of Metis, who had been swallowed by Jupiter, and burst from her father's head, fully grown and clad in armour.

Jupiter had sex with the titaness Metis, which resulted in her attempting to change shape (or shapeshift) to escape him. Jupiter then recalled the prophecy that his own child would overthrow him, as he had Saturn, and in turn, Saturn had Caelus.Fearing that their child would be male, and would grow stronger than he was and rule the Heavens in his place, Jupiter swallowed Metis whole after tricking her into turning herself into a fly. The Titaness gave birth to Minerva and forged weapons and armour for her child while within Jupiter's body. In some versions of the story, Metis continued to live inside of Jupiter's mind as the source of his wisdom. Others say she was simply a vessel for the birth of Minerva. The constant pounding and ringing left Jupiter with agonizing pain. To relieve the pain, Vulcan used a hammer to split Jupiter's head and, from the cleft, Minerva emerged, whole, adult, and in full battle armour.