You will bear a son in law that will one day kill you.
King Acrisius’s daughter Danae was ready for a husband, but King Acrisius may not be ready for a son in law. He is worried about the son in law taking the throne or trying to hasten doing so, so he sent a messenger to the Oracle to find out the future.
The Oracle gives the messenger this message, which he tells to the king, “you will bear a son in law that will one day kill you.
The messenger gets beheaded, the king forbids all male company from Danae and keeps her locked up in a tower with her being guarded all the time, but secretly has a baby Perseus with the king not knowing how she has done so.
I shall bring you the head of Medusa!
King Acrisius sends his daughter and her baby away on a row boat, since he can't kill him because he believes that if he does so, he would be punished for eternity. Sending her off will test if she is being protected by the gods, but if she isn't, then its unfortunate.
After being afloat for a while, there was a light rain for drinking and a seagull dropped a fish. A fisherman then later found them and put them on board, King Polydectes of Sephiros amazed by the beauty of the woman and offered her to live in the island. Perseus's mother explains that his father was a god, and stories of the Grogons and what Athene had to do with them.
Perseus's mother explains that his father was a god, and stories of the Grogons and what Athene had to do with them. King Polydectes didn't want his brides fierce young son compelling against him, so he thought of a plan to get rid of him. He spread the news of marrying another princess so he asked for gifts, Perseus said he would not get something normal, so said he would get Medusa's head.