Scorpio Milo arrives at Athena's Temple, sensing an enemy, but Saori assures him that the person is an ally, and is protecting the House of Gemini. Saga recognises the new guardian, remembering all of his atrocities, his brother Kanon, who survived the battle of Poseidon and now wearing the Gemini Gold Cloth. In Siberia, Hyoga decides to never see his mother again, even though he will never forget her. He remembers Camus' teachings and the influence he had on his life. Suddenly, three figures approach him. Kanon says that Athena has cleansed the evil in his heart and has forgiven him. He also says that he will fight for justice from now on. Even though Shura and Camus went ahead, they are caught in the Gemini Labyrinth. Saga attacks, but the Gemini Cloth is empty. He then fires a huge blast of energy, all the way to the Pope's chambers, striking the real Kanon. Milo appears, and believing Kanon is still a threat, orders him to leave, acknowledging the remaining Saints will never forgive him for all he's done. Kanon refuses, saying he fights for Athena. Milo retaliates with his Scarlet Needles, one after another. Meanwhile in Siberia, the Silver Saints Lizard Misty, Whale Moses and Centaurus Babel, revived by Hades, fight Hyoga and are quickly defeated by his Aurora Thunder Attack, with Babel asking him to save Athena. Kanon refuses to fight, and is willing to receive all of the Scarlet Needles, since Saori has forgiven him. Saori asks Milo to stop what he's doing, but he won't because of the evil Kanon has done. Kanon received 14 Scarlet Needles and begins to bleed profusely. Milo uses Antares, the final needle. Milo takes his leave to the House of Scorpio, but before leaving, he admits that Kanon is now their ally, and instead of using Antares, he stopped the bleeding. The Scarlet Needles were a test to see if Kanon was telling the truth. With the illusions gone, Shura, Camus and Saga emerge from the House of Gemini. Saga, with tears of joy, hoping that his brother really became a guardian of justice, heads with his friends to the House of Cancer.

Shaka questions Saga about his true intentions, and they tell him that they are going to kill Athena, so he lets the three of them go to the next House. Shaka then kills the remaining Specters, even though they believe Hades will grant them eternal life, but Shaka proves them wrong. He then stops Saga and the others to try to get the real truth out of them, now that they aren't being followed. However, they still plan on killing Athena. Shaka leads the three former Saints to a garden known as the Twin Sala, also known as Buddha's final resting place. Shaka fights all three of his former friends at once and seems to have the upper hand, but can't keep up for long. He then uses his most powerful technique, Heaven's Treasure to eliminate his enemies' five senses. Unless of course, they use a technique forbidden by Athena since ancient times, the Athena Exclamation. The technique can be used by three Gold Saints, and has the same power as the Big Bang that created the Universe. As they lose their senses, Saga and the others ponder about using the technique, facing eternal shame. Saga convinces them otherwise and reminds them why they allied themselves with Hades. Seiya, Aiolia and the other Saints arrive at the House of Virgo, but Mu blocks the door of the Twin Sala, telling them Shaka wants to die. Shaka is about to eliminate the final senses, but Saga, Shura and Camus use the Athena Exclamation to kill him. While receiving the technique, Shaka remembers Buddha's teachings, while Athena and the other Saints sense and mourn his death.

Saga, Shura and Camus only have one of their senses each, but Shaka has survived somehow. He sits under the Twin Gala and writes a message with his blood on flower petals, then the wind blows them towards Athena. Saga and the others realized that Shaka's spirit had come back, just to write his message. After mourning Shaka's death, Saga and the others encounter the Saints, but Aiolia attacks all three, wanting to avenge Shaka. However, Saga blocks his Lightning Plasma. With only four hours left, the former Saints are willing to see Athena no matter what. Meanwhile, Saori receives the flower petals with Shaka's message. The message read Arayashiki, and Saori understands the meaning behind Shaka's death. Milo arrives at the House of Virgo, attacking Saga and the others, but Saga counters with Galaxian Explosion. Saga, Camus and Shura get into position for the Athena Exclamation. Mu, Milo and Aiolia also get into position to use the same technique, despite the protests of Seiya and his friends. If two Athena Exclamations clash, their destructive power will increase to infinity, destroying the entire Sanctuary. As the Gold Saints entrust the Bronze Saints with Athena, the Athena Exclamations are unleashed at the same time.

The clash of the forbidden techniques are felt throughout the entire Sanctuary and are evenly matched, increasing its destructive force. Suddenly, Seiya, Shiryu, Hyoga and Shun burn their Cosmos to push back the techniques towards Saga and his group. Then they surround the exclamtions in order to stop them. The four Bronze Saints awaken their Seventh Sense, their Cloths turn golden, and they unleash their techniques, forcing the exclamations into the sky where it explodes. However, Seiya and his friends are caught in the disaster as the House of Virgo crumbles from the impact. At her Temple, Saori has Kanon retrieve something from the Pope's chambers, left by Saga 13 years ago. Mu, Aiolia and Milo emerge from the rubble, wondering where the Bronze Saints are. Saga, Camus and Shura also emerge from the wreckage. Saori has the Gold Saints bring Saga and his group to her Temple. Seiya and his friends awaken, having survived the commotion. They head for Athena's Temple as well. Once Saga and the others arrive, Kanon hands him a chest, with a golden dagger inside. Thirteen years ago, Saga, disguised as the Pope, tried to kill Athena with the same dagger as a baby. Saori tells Saga to kill her with the dagger, to free them from their suffering. Seiya and his friends arrive, but are too late as Saori kills herself. Back at Hades' Castle, Wyvern Rhadamanthys is informed about Athena's death, and is punished by Pandora for sending Specters to their deaths. Seiya and his friends mourn Saori's death, but Shion arrives, saying the real battle will soon begin. The four Saints attack at the same time, but Shion tosses them aside and is about to explain the whole truth, and the reason behind Athena and Shaka's deaths.

Shion reveals that the Gold and Silver Saints revived by Hades never betrayed Athena and would never hurt her. He also shows the Bronze Saints the reason why they went through all this trouble. He uses Saori's blood and it flies towards Athena's statue. It begins to glow and then shrinks down to a tiny version of itself. Shion explains that the statue is really the Athena Cloth, which needs her blood to awaken. Shion was the only one who knew the secret. If Saori plans to win against Hades, she needed her Cloth. In the Underworld, Hades came to Shion and the other Saints, revived them and offered them a deal: if they killed Athena in 12 hours, they would be granted eternal life. They pretended to accept the deal, to enter the Sanctuary and get her blood for her Cloth, so Athena would defeat Hades. Shion gives the Bronze Saints the following order: go to Hades' castle and destroy him. At Hades' Castle, Saga and his group take Saori's body covered in a sheet to Pandora, but the sheet is revealed to be empty, and they are there to find Hades and kill him. Shion's 12 hours are almost up and will return to the Underworld soon. He gives the Saints Athena's blood to revive their heavily damaged Cloths. Now, with their Final Bronze Cloths, Shion entrusts the Seiya and his friends with Athena's Cloth to make sure Saori receives it. Aiolia, Mu and Milo arrive at Hades' Castle and face Rhadamanthys, but for some reason, they can't defeat him, and the Specter picks them apart, with no effort at all. Shura is about to cut Pandora, Camus freezes a Specter, Frog Zeros, and Saga asks Pandora to take them to Hades. But they are weakened, because their 12 hours are almost up. Pandora demands to know where Athena is, and Saga tells her that she is in the Underworld. Pandora realizes that Saori plans to fight Hades. Rhadamanthys is about to toss Aiolia into the Underworld, but Shun's chain rescues him. The four Bronze Saints have finally arrived.

Aiolia, Mu and Milo sacrifice themselves, stalling Rhadamanthys, allowing the Bronze Saints to find the room where Saga and his group is. The Gold Saints are tossed into the Underworld, presumably losing their lives. Saga and the others' 12 hours are up and the Bronze Saints mourns their deaths after receiving some timely advice before disappearing. Hyoga kills Zeros, because he was stomping Camus, with the Aurora Execution. Just as they spot Pandora, who is going to the Underworld, and try to go after her, Rhadamanthys appears and gains the upper hand on the Bronze Saints. Seiya gets up again, struggling to attack Rhadamanthys. As the Specter is about to toss Seiya down to the Underworld, Shiryu, Hyoga and Shun attack at the same time, but he knocks them down again with his Greatest Caution technique. The Bronze Saints struggle to get up, remembering the words of the Gold Saints and fight back. Rhadamanthys attacks again and Seiya faces him once more. With his Comet Punch, Seiya is able to damage his Surplice. Seiya's Cloth turns gold and he and Rhadamanthys fall down into the Underworld. As the sunrise gets closer, Dohko and Shion contemplate the fact that the Bronze Saints are fighting again. Shaka's message was actually a way to reach the Underworld, alive, which is where he and Saori are right now. Shion, confident that the Bronze Saints will awaken the Eighth Sense, based on the miracles they have achieved in the past, says goodbye to his old friend Dohko and disappears. He and Kanon head towards Hades' Castle. Shiryu, Hyoga and Shun burn their Cosmos, hoping to reach the Underworld alive. Seiya heads to the Underworld, hoping to reach Saori.

With words of encouragement from Marin, Seiya gets up and heads towards Giudecca. He finds Shun back to normal and both go deeper into Hades' Temple. Back on Earth, Jabu, Ichi and Nachi see the eclipse, but are confident Seiya and his friends will return. At the orphanage, Seiya's friend Miho and her students also see the eclipse. Seiya and Shun reach the Wailing Wall, which covers the path to the Elysium Fields. Shaka is there and tries to break through, but it is impossible, for only gods can go through it. Saori and Hades are on the other side of the wall. Shaka deduces that Hades' real body is located in the Elysium Fields. Just then, Athena's Cosmos burns throughout the Underworld. Some Specters reach Cocytos and find Valentine's corpse. Just then, Athena's Cosmos revives Aiolia, Mu and Milo. They quickly kill the Specters and as they head for Giudecca, they realize Ikki is gone. Shaka stops Seiya from wasting his energy, trying to break the wall and remembers that the only thing that can destroy the wall is sunlight. Shaka then expands his Cosmo in order to try to make sunlight. Dohko stops him from trying to sacrifice himself. Aiolia, Mu and Milo arrive as well. Mu shows Shaka that most of the beads from the rosary have changed, meaning most of the Specters have died. When all seems lost, Dohko knows how to bring sunlight to the Underworld. He reminds his fellow Gold Saints that their constellations and Cloths surround the Sun in the Ecliptic and have stored sunlight within them. Dohko then distributes his Libra weapons among the Gold Saints in order to destroy the Wailing Wall. Meanwhile, Marin has brought the mysterious girl with her towards the Sanctuary.

The five Gold Saints burn their Cosmos and toss the weapons into the Wailing Wall, but are ineffective and come back to them. Shaina gathers with Jabu and the other Bronze Saints. Marin and Kiki arrive as well, deducing that chaos is occurring around the world, due to the Grand Eclipse. Seiya takes one of the weapons and attempt to destroy the Wailing Wall, like he did with the Main Breadwinner in Poseidon's Sanctuary, risking his life. Out of nowhere, a light appears. At the Sanctuary, lights coming from the Houses of Taurus, Cancer, Sagittarius, Capricorn, Aquarius and Pisces head towards the Underworld. Hyoga and Shiryu have made it through the last Prison and notice the lights headed toward Giudecca. The lights are the souls of the deceased Gold Saints and their Gold Cloths. All Gold Cloths have gathered in the Underworld, resonating with one another. Kanon removes his Gemini Cloth, sending it to Giudecca, and fights Rhadamanthys again, however, he seems to be at a disadvantage. Kanon takes a hold of Rhadamanthys and as they rise farther into the sky, he uses a final Galaxian Explosion, destroying them both. He then bids farewell to Athena and his brother, Saga. Hyoga and Shiryu make it to the Wailing Wall and see all 12 Gold Cloths in one place. Suddenly, the empty Gold Cloths come apart and begin to take shape.

Right before everyone's eyes, Aldebaran, Saga, Deathmask, Aiolos, Shura, Camus and Aphrodite came back to life. Friends and comrades happily reunite, (Aiolos with Aiolia; Camus with Hyoga; Shura with Shiryu; Aldebaran with Seiya; Deathmask and Aphrodite with Mu. Also, Kanon's soul unites with Saga) but the reunion is short lived. Aiolos pulls out an arrow, preparing to fire it at the wall. Aiolia says goodbye and warns the Bronze Saints to leave. Dohko says all 12 Gold Saints will focus their Cosmos to Aiolos' arrow in order to destroy the wall, but it will cause an explosion so intense, that the Gold Saints will lose their lives. He explains that no human can reach the Elysium Fields, but the Bronze Saints can since their Cloths are bathed in Athena's blood. Dohko says that Hades cares a lot about his body and keeps it sealed in Elysium, which is why he possesses a human whenever he revives. Finally, he orders them to destroy Hades' body, which will end the Holy Wars between Athena and Hades, forever. The 12 Gold Saints bid a heartbreaking farewell to the four Bronze Saints. Seiya and his friends, with tears in their eyes, bid farewell to the brave soldiers who taught them so much and escape. Dohko reminds Shiryu that Shunrei prays for him and Shura reminds him of their battle and to remain strong. Camus reminds Hyoga of their battle and assures him he can win. Aphrodite also reminds Shun of their battle and believes he will make a miracle. Minos confronts the Bronze Saints and easily blocks their attacks. The 12 Gold Saints entrust the Earth, Athena and the future to the Bronze Saints as Aiolos fires the arrow, and causes a monstrous explosion, destroying the Wailing Wall. Minos is caught in the blast, seemingly defeated. Seiya and his friends rush back inside, seeing the Gold Saints have opened a path through the wall. But the Gold Saints have died, only the 12 Gold Cloths remained. Their spirits bid farewell to the Bronze Saints, reminding them to stay strong, fight for justice and never lose hope. Having mourned the Gold Saints' deaths, Seiya and his friends head towards the Elysium Fields to hand Athena her Cloth, destroy Hades and stop the Grand Eclipse. Saori is then shown trapped in a giant urn, turning red at the bottom. Ikki also heads towards the Elysium Fields, with Pandora watching him, remembering her childhood.

The Bronze Saints head to the Elysium Fields, but Shiryu stays behind, sensing the presence of Specters. Three of them appear, Alraune Queen, Minotauros Gordon and Basilisk Sylphid. Shiryu fights them all at once, unleashing the force of Excalibur. Seiya, Hyoga and Shun reach the other side of the Wailing Wall, but find an inter-dimensional path of time and space. At the end of the path is a shining light, leading to the Elysium Fields. Minos, having survived the blast, catches up to them, with Hyoga staying behind to fight him. Hyoga makes an ice barrier while Seiya and Shun go forward. Minos breaks the barrier and uses Cosmic Marionation on Hyoga. Seiya is being dragged by the pressure of time and space, but then his Cloth grows wings, due to Athena's blood. He rescues Shun and both head to the Elysium Fields. Hyoga freezes the threads of the Marionation, immobilizing Minos and attacks with Aurora Execution. Minos barely survives and traps Hyoga with a remaining thread, but he is suddenly destroyed due to the dimensional pressure, proving only gods can walk the path. Hyoga and the others were spared because of their Cloths bathed in Athena's blood. Shiryu holds his own against the three Specters, taking their attacks head on and still fighting. He challenges all three to attack him at once and kill them with his master's technique, One Hundred Dragons. With the pressure of the techniques, Shiryu flies all the way to the inter-dimensional path, where Hyoga is waiting for him. Sylphid somehow survived and goes after Shiryu but he is also destroyed by the pressure. With his Cygnus wings, Hyoga takes Shiryu to the Elysium Fields. Meanwhile, Seiya has successfully made it and wakes up in a utopian paradise.