The bond between Theseus, the legendary King of Athens, and Pirithous, the fierce King of the Lapiths, was one forged in the crucible of mutual respect and shared audacity. Their friendship began when Pirithous, curious about Theseus’s fame, attempted to steal the Athenian king’s cattle. Instead of engaging in a bloodbath, the two men were so impressed by each other’s courage and bearing that they swore an eternal oath of brotherhood. This oath, while a testament to their loyalty, would eventually become the catalyst for one of the most arrogant and ill-fated expeditions in the history of Greek myth: the attempt to kidnap a goddess from the very heart of the Underworld.
Years after their initial meeting, following the death of their respective wives, the two heroes grew restless. They believed that as sons of gods—Theseus being the son of Poseidon and Pirithous the son of Zeus—they were entitled to wives of divine lineage. They made a solemn pact that they would assist each other in securing daughters of Zeus as their consorts. Their first target was the young Helen of Sparta, the most beautiful mortal in the world. Together, they traveled to Sparta and abducted the girl, who was still a child at the time, and Theseus took her to his mother’s home in Aphidnae for safekeeping until she reached marriageable age. However, the oath was only half-fulfilled. It was now Pirithous’s turn to choose a bride, and his choice was as shocking as it was blasphemous: he desired Persephone, the Queen of the Dead and wife of Hades.
Despite Theseus’s reservations, his oath bound him to Pirithous’s side. To reach the realm of the dead, they traveled to the southernmost tip of mainland Greece, to the rugged and wind-swept cliffs of Cape Matapan, also known as Taenarum. This desolate location was home to a deep, dark cave that the ancients believed was one of the few physical gateways to the domain of Hades. The air at the mouth of the cave was cold and heavy with the scent of damp earth and ancient decay. Undeterred by the ominous atmosphere, the two heroes tightened their sandals, gripped their weapons, and began the long, treacherous descent into the darkness of the earth.
As they moved deeper into the subterranean world, the sounds of the living world faded, replaced by the rhythmic dripping of water and the ghostly whispers of the wind echoing through the limestone passages. They navigated the labyrinthine tunnels of Taenarum until the physical world gave way to the metaphysical geography of the Underworld. They crossed the threshold of the Styx, the river of hatred, where the ferryman Charon looked upon them with hollow eyes. Being living men of great power, they managed to pass, eventually reaching the iron gates of the palace of Hades. The silence here was absolute, a heavy shroud that seemed to press against their very skin. Unlike their previous battles against monsters and bandits, there was no sound of combat here, only the weight of eternity.
When they finally stood before the throne of Hades, the King of the Dead received them with a chilling, deceptive hospitality. Hades was a god of immense patience and cold intelligence; he knew exactly why these two mortals had dared to enter his kingdom. Pirithous, emboldened by his past victories over the Centaurs, stepped forward and demanded the release of Persephone, claiming her as his rightful prize. Theseus stood by, his hand on his sword, feeling a growing sense of dread as he looked into the passionless eyes of the god. Hades did not rage, nor did he summon the Furies to tear them apart. Instead, he smiled—a thin, mirthless expression—and invited the two exhausted travelers to sit and rest before they discussed the matter further.
He gestured toward two ornate stone chairs, beautifully carved but cold as the grave. Weary from their journey through the lightless depths, Theseus and Pirithous accepted the offer and sat down. This was their undoing. The seats were known as the 'Chairs of Forgetfulness' (or the Chairs of Lethe). As soon as their flesh touched the stone, a magical transformation occurred. The stone didn't just hold them; it became part of them. Their limbs felt as heavy as lead, and the memories of their lives, their names, and their purpose began to slip away like water through cupped hands. Coiling snakes, or in some versions, the very substance of the rock itself, wound around their waists and limbs, binding them to the seats with the strength of the divine.
Hades’s voice then echoed through the hall, no longer hospitable but ringing with the authority of the inevitable. He mocked their hubris, reminding them that no mortal, no matter how heroic, could simply walk into the palace of a god and demand his queen. For years—some myths suggest centuries—the two heroes remained in this state of living death. They were conscious enough to feel the agony of their confinement but unable to move or speak, serving as eternal ornaments of Hades’s displeasure. They watched as the shadows of the dead drifted past them, a constant reminder of the mortality they had tried so desperately to transcend.
Their salvation, or at least partial salvation, finally arrived in the form of Heracles. The great demigod had descended into the Underworld as part of his twelfth labor: the capture of Cerberus, the three-headed hound. When Heracles passed through the palace of Hades, he recognized his old friend Theseus and the wretched Pirithous. Moved by pity, Heracles pleaded with Hades to allow him to free them. Hades, perhaps respecting the sheer power of Heracles or simply satisfied with the punishment already meted out, gave his permission—with a condition. Heracles could try to pull them free, but the gods would not assist him.