Queen Alcestis; who had agreed to die in place of her husband Admetus. Also Theseus; at the same time as the Cerberus adventure.
She was a Greek princess, daughter of King Pelias. She was rescued by Hercules from Hades.
PrometheusTheseus
Alcestis.
Alcestis, for Admetos.
Hesione and Alcestis are a couple of the maidens that Heracles saved
Queen Alcestis; who had agreed to die in place of her husband Admetus. Also Theseus; at the same time as the Cerberus adventure.
She was a Greek princess, daughter of King Pelias. She was rescued by Hercules from Hades.
Alcestis.
PrometheusTheseus
Alcestis.
Alcestis, for Admetos.
Many times. Euripides play Alcestis shows Herakles wrestling and defeating death, saving the life of Alcestis who was fated to die. The Labour of Herakles where he captured Kerberus (three headed dog) from hell and brings it up to the surface of earth, is thought to symbolise a defeat of death.
This might be a take on the legend or myth of Damon and Pythias. Pythias could have been a woman. I always thought they were two inseparable friends who may have been fellow soldiers, knights, adventurers. One agreed to take the death sentence for the other, and the King dropped the charges and let them go. Such things only happen in stories. Usually it is the man who does the daredevil stuff for the Lady in distress, but this is a switch. You did not mention movies, so I don"t think this is a movie plot.
At the same time as collecting Cerberus, he asked Hades for Theseus who had been entrapped there, he was also described as battling Hades for the life of Queen Alcestis, who had agreed to die in place of her husband Admetos. Hades was wounded by Hercules during his seige of the town of Pylos.
Parthenon was a temple of Athena, who favored him.
She wasn't a goddess - she was a mortal queen named Alcestis.