Olympus Coliseum

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Oh no! The water! I'm in big trouble if I don't fetch it!
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This article is about the World. You may be looking for the chapter in the Kingdom Hearts manga, the field theme, the area in Castle Oblivion, or the expanded World from Kingdom Hearts III.

"The Underworld" redirects here. You may have been looking for the field theme.

Olympus Coliseum
Japanese	オリンポスコロシアム
Romaji	Orinposu Koroshiamu
Games	Kingdom Hearts Kingdom Hearts Chain of Memories Kingdom Hearts II Kingdom Hearts 358/2 Days Kingdom Hearts coded Kingdom Hearts Birth by Sleep Kingdom Hearts χ Kingdom Hearts Dark Road Kingdom Hearts Melody of Memory
Allies	Auron[KH II] Hercules & Cloud[KH coded] Hercules & Zack[KH BbS]
Assistants	Hercules, Megara, Philoctetes, & Pegasus[KH II]
Origin	Hercules (1997)
KH tracks Field theme - Olympus Coliseum Battle theme - Road to a Hero Battle theme - Go for It! KHCOM tracks Field theme - Olympus Coliseum Battle theme - Go for It! KHII tracks Field theme - Olympus Coliseum Field theme - The Underworld Battle theme - Road to a Hero (training) Battle theme - What Lies Beneath Battle theme - Beneath the Ground (arena) KHD tracks Field theme - Olympus Coliseum Battle theme - Go for It! KHBBS tracks Field theme - Olympus Coliseum Battle theme - Go for It! Battle theme - Road to a Hero KHREC tracks Field theme - Olympus Coliseum Field theme - Road to a Hero Battle theme - Go for It!
Other worlds Introduced in Kingdom Hearts Dive to the Heart | Destiny Islands | Disney Castle Traverse Town | Wonderland | Olympus Coliseum Deep Jungle | Agrabah | Monstro Atlantica | Halloween Town | Neverland 100 Acre Wood | Hollow Bastion End of the World | Realm of Darkness Introduced in Kingdom Hearts Chain of Memories Castle Oblivion | Twilight Town Introduced in Kingdom Hearts II Mysterious Tower | Radiant Garden The Land of Dragons | Beast's Castle | Timeless River Port Royal | Pride Lands | Space Paranoids The World That Never Was | End of Sea | Keyblade Graveyard Introduced in Kingdom Hearts coded Datascape Introduced in Kingdom Hearts Birth by Sleep Land of Departure | Mirage Arena Dwarf Woodlands | Enchanted Dominion | Castle of Dreams Disney Town | Deep Space Introduced in Kingdom Hearts 3D: Dream Drop Distance La Cité des Cloches | The Grid | Symphony of Sorcery Country of the Musketeers | Prankster's Paradise Introduced in Kingdom Hearts χ[chi] Daybreak Town Introduced in Kingdom Hearts Union χ[Cross] Game Central Station | Niceland | Cy-Bug Sector | Candy Kingdom Introduced in Kingdom Hearts III The Final World | Secret Forest | Olympus Toy Box | Kingdom of Corona | Monstropolis Arendelle | The Caribbean | San Fransokyo Scala ad Caelum | Quadratum

Olympus Coliseum is a world introduced in Kingdom Hearts based on the Disney feature film Hercules. It has appeared in more Kingdom Hearts games than any other world. The Coliseum is stated to be in Greece, atop Mount Olympus, where Zeus is the ruler, while Hades runs the Underworld beneath. The Coliseum itself is an invention of the games; only the Underworld actually appears in the film.

The world is expanded into Olympus in Kingdom Hearts III.

Settings and Areas

Kingdom Hearts

The Coliseum Gates

In Kingdom Hearts Olympus Coliseum consists of three areas: the Coliseum Gates (コロシアム前, Koroshiamu Mae, lit. "Colosseum Anterior") where Sora and his party enter, the Coliseum: Lobby (ロビー, Robī, lit. "Lobby") where Phil briefs contestants and keeps the cups of the winners, and The Coliseum (コロシアム, Koroshiamu) itself, where the party competes against various combinations of Heartless, villains, and other characters in the game. The Coliseum has rows of seat on each side with the arena itself being a square in the middle, having four massive pillars in each corner. These, as well as the square, will during certain battles be removed allowing for free access to the entire area. During the Platinum Match and later portions of the Hades Cup the squared arena space will be expanded into a long octagon, with eight, white and tall tree trunk-like structures in each corner.

Inside of the Lobby is a big stone block which can be pushed to the side once Sora learns Trinity Push. Doing so reveals the world's Keyhole.

Kingdom Hearts Chain of Memories

In Kingdom Hearts Chain of Memories Sora and party comes across a memory version of Olympus Coliseum inside of Castle Oblivion. The world is explored through boxed-in areas inspired by the world's general aesthetics. In cutscenes, areas such as the Coliseum Gates, the Coliseum: Lobby, and the The Coliseum are visited, with the last one serving as a boss arena.

Kingdom Hearts II

Hades's Chamber

In Kingdom Hearts II the world receives a major expansion with the inclusion of the Underworld, which can be accessed through the Coliseum Gates (コロシアム:入口広場, Koroshiamu: Iriguchi Hiroba, lit. "Coliseum: Entry Square"). The Underworld Entrance (冥界入口, Meikai Iriguchi) connects the living world to the world of the dead, as well as holding the world's Moogle Shop, a save point, and The Underdrome (冥界闘技場, Meikai Tōgijō, lit. "Underworld Arena") where Sora can talk to Pain and Panic to gain access to the tournaments there. From there, two paths into the Underworld branch off. The first branch that Sora and his friends can explore leads to Hades's domain through the Cave of the Dead (亡者の洞窟, Mōja no Dōkutsu). Beginning at the Entrance (入口, Iriguchi) the party travels down the narrow and meandering Passage (通路, Tsūro) before reaching the relatively safe Inner Chamber (最深部, Saishinbu). From there, the party traverses the ledges and cliffs of the Valley of the Dead (亡者の谷, Mōja no Tani) before reaching Hades' Chamber (ハデスの間, Hadesu no Ma).

Later in the story, the second path opens and allows the group to enter the Underworld Caverns (冥界の大空洞, Meikai no Dai Kūdō, lit. "Great Cavity of the Underworld"). After going down through the Entrance (入口, Iriguchi), the party travels through The Lost Road (迷いの道, Mayoi no Michi), which in turn leads to the Atrium (広間, Hiroma, lit. "Hall"). After an encounter with Demyx, the party passes through to The Lock (封印の間, Fūin no Ma, lit. "Chamber of the Seal"), where they can access the Well of Captivity (囚われの間, Toraware no Ma, lit. "Room of Captivity") to fight Pete and rescue Meg.

The Olympus Coliseum itself remain the same as it was in the first game. The Coliseum Gates will take Sora to the Coliseum Foyer (コロシアム:ロビー, Koroshiamu: Robī, lit. "Coliseum: Lobby") where all the trophies he's previously won will still be on display. Passing further through will take Sora back to The Coliseum (コロシアム, Koroshiamu) where he can train with Phil. After a battle with the Hydra resulting in the Olympus Coliseum's destruction, only the Coliseum Gates will be accessible. The area's walls are broken on each side, with the statues being completely decimated and its pieces spread across the room. The Coliseum Foyer is reduced to nothing but rubble which leaves clear of The Coliseum. Certain elements from the foyer has been saved and placed on rocks outside, such as Sora's trophies and Phil's rule board.

During the credits the Olympus Coliseum are seen to be fully restored to its former self.

Area Map in Kingdom Hearts II

Kingdom Hearts 358/2 Days

In Kingdom Hearts 358/2 Days, Olympus Coliseum is almost exactly the same as in Kingdom Hearts. Roxas arrives at the Coliseum Gates, renamed Outside the Coliseum (コロシアム前, Koroshiamu Mae, lit. "Front of the Coliseum"), during his missions, and heads into the Coliseum Foyer, now renamed Coliseum Vestibule (ロビー, Robī, lit. "Lobby"). The room appears to be a lot bigger than it previously was. The world's final area is the The Coliseum (コロシアム, Koroshiamu), where various games and mini-games take place.

Area Map in Kingdom Hearts 358/2 Days

Kingdom Hearts coded

One of the Layers found within the world's Keyhole.

In Kingdom Hearts coded the data version of Olympus Coliseum found within the Datascape is similar to that of previous games, but with the addition of the data world's Keyhole now being explorable. Data-Sora arrives Outside the Coliseum (広場, Hiroba, lit. "Square"), and heads immediately to the Vestibule (ロビー, Robī, lit. "Lobby"). There the Keyhole can be accessed, taking Data-Sora to the Labyrinth which is divided into thirty floors, called Layers (LAYERS), with multiple Save Rooms (セーブエリア, Sēbu Eria, lit. "Save Area") spaced out between them. After Data-Sora completes Layer 01-05, he unlocks Layer 06-15; after those are completed, he unlocks Layer 16-30. The Layers are maze like rooms, and the room structure for Layer 01-05 are repeated for the subsequent Layers.

Layer 05 - as well as Layer 15, 25, and 30 - start of in a tiny room behind some gates. Passing through the gate leads to a long bridge, which ultimately takes Sora, Hercules, and Cloud, to a huge arena, surrounding by a dark sky patterned like the Bug Blox.

Area Map in Kingdom Hearts Re:coded

Kingdom Hearts Birth by Sleep

In Kingdom Hearts Birth by Sleep the world is once again similar to how it's been in previous installments. Arriving at the world both Terra and Ventus land at the only new area Town Near Thebes (テーベの町, Tēbe no Machi, lit. "Town of Thebes") which leads to the Coliseum Gates (入口広場, Iriguchi Hiroba, lit. "Entrance Square); where Aqua will make her arrival. From there the Vestibule (ロビー, Robī, lit. "Lobby") can be accessed where Hercules will be available to partake in the Break the Urns mini-game. The mini-game, as well as two cups and several battles, take place within the Coliseum, now renamed Arena (西/東, Nishi/Azuma, lit. "West / East").

Area Map in Kingdom Hearts Birth by Sleep

Kingdom Hearts χ

The Depths within the Underworld Caverns.

The Player will arrive at the Coliseum Entrance (コロシアム入り口広場, Koroshiamu Iriguchi Hiroba, lit. "Coliseum Entrance Square"). Going through the large doors on the right brings the Player to the Coliseum (コロシアム内部, Koroshiamu Naibu, lit. "Inside the Coliseum"), which has five variations; one of which being the Coliseum in ruins.

Later in the story the Player is granted access to the Underworld, and first arrives at Underworld Entrance (冥界・入口, Meikai: Iriguchi, lit. "Underworld: Entrance"). To the right of the Underworld Entrance lies the Cave of the Dead: Entrance (亡者の洞窟・入口, Mōja no Dōkutsu: Iriguchi), an area with a twisted path, and walls shaped like dark bones. Beyond the area lies the Cave of the Dead: Inner Chamber (亡者の洞窟・最深部, Mōja no Dōkutsu: Sai Shinbu, lit. "Cave of the Dead: Depths"), which further leads to the Valley of the Dead (亡者の谷, Mōja no Tani). At the end of the valley lies Hades' Chamber (ハデスの間, Hadesu no Ma).

The left side of the Underworld Entrance leads to the Underworld Caverns: Entrance (冥界の大空洞・入り口, Meikai no Dai Kūdō: Iriguchi), which is a broken-off path, elevating high above the ground. Further traversal leads to the Underworld Caverns: Midway (冥界の大空洞・中間, Meikai no Dai Kūdō: Chūkan), and ultimately to the Underworld Caverns: Depths (冥界の大空洞・最深部, Meikai no Dai Kūdō: Sai Shinbu), where dead souls can be found.

Story

Kingdom Hearts χ

When Player first enters Olympus Coliseum, Philoctetes hears them approaching and assumes that they're someone else. Once Phil realizes his mistake, he tells Player that he has no business with them and that they should leave. Suddenly, Hercules runs in and is scolded by Phil for being late, when Hercules asks who Player is, Phil says that he has no idea, but suggests that perhaps Player is another candidate looking to join in the tournament. Instead, Hercules suggests that Player enters on his behalf, prompting Phil to ask what Hercules is up to, only for Hercules to whisper to Phil that he's acting on a hunch and that there's something he has to do right now, so he's leaving it all to Phil for the time being. Though disappointed, Phil accepts this and assumes that Hercules must know what he's doing, promising to take care of Player. Hercules thanks Phil and tells Player that Phil will take care of them, mentioning that he's sure Player will become a great hero too, before leaving. After Player win the Preliminaries, they gain a new power with the Keyblade and immediately rush over to Daybreak Town to report back to Chirithy.

Upon their return to Olympus Coliseum, Player is approached by Phil and Cloud, asking if the tournament is just some kind of game to Player. Cloud states that Player has no reason to win the tournament, and has been fighting without a real sense of seriousness over the situation. Confused, Phil asks what Cloud is talking about, only for Cloud to claim that he intends on winning the tournament. Phil tells Cloud that he doesn't know what he's talking about, as Player has potential, and might even become a hero. Though this doesn't faze Cloud, who simply brushes it off and says that he couldn't care less before walking away.

After receiving word about the resumption of the tournament, Player makes their way to Olympus Coliseum once again to meet with Phil. Phil notes that Player looks even stronger than the last time they'd seen one another before guiding Player back into the arena to continue the tournament. Once Player has made their way through to the end of the semifinals facing Cloud, After defeating Cloud, Hercules notes that the tournament seems a little fishy. Hercules is able to surmise that Hades is behind the whole thing. Hades then appears and admits to having done what he's been accused of, Hades then asks who their champion is. Hercules tells Hades that because he'd arrived before the match had been officially finished, they couldn't declare a winner and his contract is thereby invalid. Though Hades is furious, his mood lightens when Cloud asks to be taken to the Underworld. Phil and Hercules try to convince Cloud that he doesn't know what he's getting himself into, as the Underworld is the world of the dead that exists beneath Darkness itself. Surprisingly, Cloud seems to like the idea, feeling as though “he” would like that kind of place. With Cloud's persistence and interest in darkness, Hades accepts and takes Cloud to the Underworld. Hercules decides that he won't stand for this and that they have to save Cloud, which Phil agree. Phil suggests that Player leave before they get too involved in the situation, Chirithy shows up to open a Gate to the Underworld

In the Underworld, Player only to come to a dead-end when they find a tightly sealed door blocking the path. Returning to the Coliseum, Player tells Phil that they were unable to find Cloud. Player once again returns to the Underworld, where they find Hade, who voices his annoyance with Cloud for declining his offer. Hades vows to make Cloud suffer the next time he sees him. Hades then realizes Player's presence, asking what they were doing there before summoning Cerberus. Player manages to defeat Cerberus, Hades tells Player that he never anticipated that they'd defeat Cerberus, and how powerful they were. Hades encourage Player to gain more power they'd have to bind their will to the Darkness and to reach his Throne Room, he will tell him more. Player makes their way to Hades's Throne Room, where Hades says that he will teach Player how to access darkness. Player asks that Hades instead tell them where Cloud is. Hades intends on allowing Player to access their talent to its full capabilities. When Player asks how Hades intends on making that happen, Hades explains that all Player has to do is perform a few little tasks. After the series of tests, Player is still unable to harness the power of darkness, and so instead Hades tells Player to wait while he thinks up more tests.

When Player returns to the Underworld, Hades tells them to go through the gates at the entrance to the Underworld to the depths of the Underworld. Player finds Cloud, who claims not to have any more business in the Underworld, and Hercules runs in with the intention of leaving the Underworld with Cloud and Player. Hades arrives, having come to see what was taking so long. When Hercules insists that they're leaving, Hades battles the trio, sending Hercules away in a blast of black fire, while deciding to destroy the Coliseum. Cloud volunteers to buy some time for them, with Player making way for Hades's Throne Room, where they finds Hercules bound in black glowing chains. Using the power of the Keyblade, Player frees Hercules and together they rush to leave the Underworld and stop Hades at the Coliseum.

Player and Hercules find that most of the Coliseum has been destroyed, arriving just as Hades strikes down Cloud. While Phil takes care of Cloud, Hercules and Player battle with Hades. Together, they manage to defeat Hades/ Phil congratulates Hercules on his victory, mentioning that he could feel the power of his and Player's friendship at work. Hercules then looks to Player and agrees that friends offer the greatest source of power. This intrigues Cloud, who then decides that he should be on his way as he has no business there anymore. Phil stops him, however, and insists that he rebuild the Coliseum, a task which Cloud reluctantly accepts.

Kingdom Hearts Union χ

Following the events of the Keyblade War, Player and rest of the Dandelions lose their memories of the previous world, causing Player to relive their experiences in Olympus Coliseum. Player returns to Olympus Coliseum to check on Hercules. Hercules comments on how much stronger Player has become, and that he'll have to watch out before Phil scolds him and orders him to start training more. Hercules apologizes to Player for not having time to catch up before leaving.

Kingdom Hearts Dark Road

Baldr takes Xehanort and the other Keyblade wielders to Olympus Coliseum, in order to reach the Underworld and speak to Hoder. Upon entering the Coliseum, they are greeted by Hades, who agrees to take them to the Underworld if they win the tournament. Xehanort, Eraqus, and Bragi enter the tournament and win. Hades appears and says he's changed his mind and they're all "invited" to the Underworld instead, before transporting everyone there. Hades ask why they wanted to come to the Underworld in the first place. Xehanort tells Hades they came to speak with a friend of theirs, Hades agrees to find her on the condition that one of his friends remains in the Underworld forever. Xehanort, Eraqus, and Bragi decide to go find Urd, Hermod, and Baldr. While searching the Underworld, they are attacked by Cerberus, but are rescued by Baldr, who agrees to say behind with Bragi so that Xehanort and Eraqus can find Urd and Hermod. After defeating Cerberus, Baldr attacks Bragi, revealing he has been consumed by Darkness. Bragi reveals to Baldr he was already aware of his condition and that Xehanort also suspects him. Bragi then says it's his time to leave as the situation has changed, and that it looks like he'll be "keeping this body" longer than expected.

Meanwhile, Xehanort and Eraqus find Urd and Hermod, telling them to go and meet up with Bragi and Baldr while they find Hoder. Venturing deeper into the Underworld, Xehanort and Eraqus find Hoder along with Sigrun, Helgi, and Heimdall. They reveal that they where all killed by an evil fairy in another world while preparing for their Mark of Mastery exam, and that when they came to, they where in a world of endless sky and ocean with no bodies. The upper classmen disappear, but Hoder hangs on a little longer to ask Xehanort for a request. Xehanort and Eraqus return to find Urd alone, who tells them Hermod went to look for Baldr and Bragi as they had disappeared when they arrived. Hades appears saying that one of their friends has decided to stay in the Underworld forever as per him terms. But Xehanort, Eraqus, and Urd chose to battle Hades to save their friends. Hermod interrupts them but agrees to fight with them once the situation is explained. However the four Keyblade wielders are suddenly pulled into a Corridor of Darkness without warning, much to Hades surprise.

In the Corridor of Darkness, Xehanort, Eraqus, Urd, and Hermond and the pair don their armor to protect them from the Darkness. Unfortunately Urd and Hermod succumb to the Darkness, while Xehanort and Eraqus are rescued by Master Odin.

Kingdom Hearts Birth by Sleep

Zack talking to Ventus in Olympus Coliseum.

Ventus is the first person to visit this world. First, he meets Phil, who is trying to decide whether to train Hercules or Zack. Phil says that whoever proves himself in the tournament can train under him. An eager Zack runs off to the Coliseum, while Ventus promises to help Hercules train, become a hero, and return to his rightful place on Mt. Olympus. Hercules and Zack eventually face off in the tournament, but the fight is interrupted by a swarm of Unversed in town. Ventus goes to fight them alone, but Hercules withdraws from the match and comes with him. The two finish off the swarm when Zack arrives. He wanted to help his friends too. Phil says that he never cared about who won, but whose heart was in the right place. Since Hercules left first, he gets to train with him. Nevertheless, the trainees continue towards their goals of becoming heroes. Phil thanks Ventus for giving Hercules the strength to become a hero.

Terra being coaxed by Hades into entering the Games.

Terra is the second person to visit this world. He encounters Hercules and some Unversed during his arrival. The hero-in-training compliments Terra's strength and recommends he compete in the upcoming games. He heads up towards the Coliseum where Hades is devising a scheme to defeat Zeus. The god approaches Terra and tells him that by hiding his darkness, he is wasting his power. Terra takes up Hades's offer to help him control his darkness by entering the games. However, as Terra continues to compete, Hades starts to see that Terra may not want his darkness and starts to think of a new plan when Zack enters for his match. Inside the arena, Terra and Zack face-off, with the Keyblade Wielder victorious. However, as Terra turns to leave, Zack awakens with a dark aura and attacks. Zack tries to resist this power, reminding Terra of when the darkness overcame him in Enchanted Dominion. Hades appears, saying that this is the power that Terra can have. Terra refuses and fights Zack again. Terra wins again and Hades realizes his defeat and disappears. Zack calls Terra a hero and promises to have a rematch someday.

Aqua is the last person to visit this world. There, she meets Hercules and Phil, who are still training. Hercules says he wants to be strong as the Champion Terra. Phil mentions that Terra could show again anytime, so Aqua agrees to enter the games in hopes of seeing him. Aqua qualifies for the finals against Zack. Zack wants to win his block to face Terra again, the champ of the other block. Zack still wants his rematch with Terra after he helped him against Hades. Aqua and Zack square off, Aqua being the victor. Hades shows up again to check out the new competitor. He also calls Terra a coward for wasting his darkness. Aqua wants to fight, but Hades says she'll have to do it in a by-the-rules match. However, Hades shows up with the Ice Colossus, saying it does not have to be one-on-one. Zack then wants to help Aqua, but she insists that she handle the god and Titan alone. Hades is defeated and swears his return. Aqua exits the Coliseum, and Zack asks her out on a date. An embarrassed Aqua politely declines, but Zack says maybe he can do it and they will go out when he is a hero, but Aqua refuses that promise. Zack leaves as Herc returns from training, disappointed for missing the big match. Aqua tells him that his heart is on the right path to becoming a hero.

After the events at the Keyblade Graveyard, Hercules continues his training with Phil as Zack watches from the gates. He looks up when a black feather floats past him, and he disappears.

Kingdom Hearts

When Sora first enters the Coliseum, Phil, who is busy preparing for the games, mistakes him for Hercules. When his mistake is revealed, Phil allows Sora to enter the trials. Though Sora passes, Phil won't let him enter the games. Disappointed, Sora exits, only to be met by Hades, who grants him an entry pass for the preliminaries. Sora then has to go through many preliminaries before he can get to the final battle. The final battle of the preliminaries is with Cloud, who is secretly working for Hades. After defeating or losing to Cloud, Hades has Cerberus attack the Coliseum, but Hercules holds the beast off until Sora runs back in to defeat it. Afterward, Phil lets Sora and his friends know that the games will be postponed due to the damage to the Coliseum, so they leave for other worlds. On the way out, Cloud explains to Sora that he assisted Hades to get help finding a certain person, and Sora encourages him to keep searching. Meanwhile, an infuriated Hades vents his frustration and makes plans for his next scheme, shooing away Maleficent when she comes to check on him.

After sealing Neverland Sora returns to conquer the Hercules Cup. In the final round, Sora defeats Hercules without the help of Donald or Goofy and seals the world's keyhole, with the use of a Yellow Trinity.

This information is based on alternate scenes or materials and is not considered canon within the overall plot of the series.
If Sora visits Olympus Coliseum after sealing the Keyhole in Hollow Bastion, Maleficent does not appear to speak with Hades.

As Sora, Donald, and Goofy rescue worlds, tournament cups will be opened back at the Coliseum. Each cup can be completed in three modes: with the whole team, with just Sora, or with the whole team and a time limit. After the cup has been completed in each manner, Phil will allow the team to replay the cup starting at any seed.

After Hollow Bastion is locked, Hades hosts the Hades Cup to get rid of Sora, but Sora and his team manage to put Hades in his place.

Kingdom Hearts Chain of Memories

When Sora, Donald, and Goofy enter Castle Oblivion's memory-version of the Coliseum, they find that Phil has arranged a race through an obstacle course as part of the new tournament. Hercules, Cloud, and Sora enter, although is revealed that Cloud has been hired by Hades to defeat Hercules, in exchange for Hades restoring his lost memories. Cloud fights Hercules but loses, prompting Hades to cancel their agreement. Hades refuses to restore Cloud's memories and prepares to attack the weakened Hercules. Sora intervenes and successfully defeats Hades. Following the fight, the games are canceled as all contestants are too exhausted to participate. As Cloud prepares to leave, Sora encourages him to find his memories. Sora comforts Cloud and reminds him that even small events can help someone remember things and those truly important memories are never completely forgotten.

Later, Riku enters the memory version of Olympus Coliseum in the Basement. As he advances through the simulation, he encounters Hades and defeats the Lord of the Underworld.

Kingdom Hearts 358/2 Days

On Roxas's 117th day in the Organization, he and Xigbar set out to investigate the Olympus Coliseum. Xigbar tells Roxas that they're on the lookout for anyone who might potentially become an Organization member. He explains where Organization members come from: that when a strong heart is taken by darkness, a Nobody is created at the same time as a Heartless, and the strongest of those Nobodies gather in the Organization. Furthermore, Roxas and Xion are particularly special Nobodies even within the Organization.

Roxas and Xigbar defeat some nearby Heartless, which attracts the attention of Phil. He runs over, mistaking Roxas for Hercules's new apprentice candidate. Roxas realizes that Xigbar has disappeared. After Phil tells Roxas to report for training and rushes off to the Coliseum, Xigbar reappears. Xigbar explains that the Organization is supposed to keep their movements secret, and is thoroughly amused at the idea of Roxas being an apprentice candidate. He leaves Roxas, who is now allowed to enter the Coliseum, to do the investigation by himself.

Roxas takes a look around, wondering what the huge rankings on the wall could be about and who the number one names, Sora on one board and Hercules on another, could be. He is momentarily worried by the massive statues outside the Coliseum gates, musing if this world might be home to giant warriors. However, he soon figures out that this is just a Coliseum, and reports to Phil's training.

After a vigorous training session, Roxas learns from Phil that he's looking for strong warriors to enter the Coliseum's tournament, especially with the Heartless that have been appearing lately. Phil laughs outright at Roxas's request to enter, and Roxas has a strange vision of a boy in red clothes, standing in the same position he is in. As Roxas heads home, he walks past Hercules and can hear Phil telling Hercules about how the "new apprentice candidate" took care of the Heartless while he was away.

Roxas's next mission to the Coliseum is with Demyx, who complains that he is really not cut out for fighting missions, as he prefers investigations. When Roxas heads off to Phil's training, Demyx says he would pass. When the two of them see Phil forcing Hercules through strenuous exercises, Demyx says if he were subjected to that kind of "training" he'd run away.

Roxas, wondering if Hercules is stronger than him, is about to leave when Phil catches him and gives him his own training for the day. Phil explains to Roxas that Hercules trains so hard because everyone counts on him to be strong, and Roxas wonders if such expectations are the same kind of thing as orders. As the Nobodies leave, Demyx again complains about being forced to fight and says he's glad he usually gets investigation missions.

Two months later, Roxas and Demyx return to the Coliseum, and Demyx is as unhappy as ever about being forced to fight Heartless. Their target this time is a mysterious Heartless, and since Demyx isn't a hero candidate he waits outside while Roxas enters the Coliseum tournament. He makes it to the final round, and Phil comes over to give him a pep talk and tell him that he's counting on Roxas to win. Roxas asks if that's the same as being given orders, but Phil just tells him not to ask such ridiculous questions and concentrate on fighting.

To Roxas's surprise, his final opponent is none other than Xigbar. He says he'd heard Roxas has been practicing and came to see just how strong he is now. However, their battle is interrupted by the appearance of the Guard Armor Heartless, and as Phil runs off to get Hercules, Roxas jumps into battle. During his fight, he has strange visions of the same boy in red, who seems to have fought this creature before. After Roxas defeats the Heartless, Xigbar comments that he really has gotten stronger, and heads back to The World That Never Was. Demyx wonders what Xigbar was doing in the Coliseum, considering he should have missions of his own to do.

They head home just before Phil can return with Hercules. When Phil wonders out loud what happened to Roxas, and Hercules wonders who Phil is talking about, Phil suddenly realizes that Roxas wasn't an apprentice candidate and is left to wonder who on earth he's been training the entire time.

On Roxas's 296th day in the Organization, he's sent to participate in another Coliseum tournament, which feels more like training than a mission to him. Phil confronts him, saying he's glad Roxas hasn't been finished off but also asking just who he is. When Roxas can't reply, Phil assumes that Roxas is there to enter the tournament, and lets him in despite the earlier deception.

Roxas wins the tournament, defeating all kinds of Heartless. Phil congratulates him and tells Roxas to come back and visit every now and then. Roxas assumes that Phil still wants him to do more training. Although Roxas returns to the Coliseum a few weeks later to fight another Heartless, he never meets Phil again.

Kingdom Hearts II

Sora and company return to Olympus Coliseum one year after their first visit. Before their return, Hades has been sending monsters for Hercules to fight against any attempt to weaken his heart and turn him into a Heartless. Sora, Donald, and Goofy arrive in the Underworld where they meet Megara, who wants to convince Hades to stop bothering Hercules. When Sora and co. confront Hades, he summons Auron to fight them, only for him to switch sides. After realizing that Hades cannot be hurt in the Underworld, the team escapes, with Auron and Sora defeating Cerberus.

After Pete tells Hades that Sora's Keyblade could open any lock, Hades uses it to unlock the Underworld Coliseum, which was sealed off by Zeus. Upon arriving at the Coliseum, the junior heroes reunite with Hercules and explain the situation. Hercules offers them to use the Olympus Stone, which shields them from the Underworld curse, though advises them to train under Phil to prepare for their battle with Hades. As the training continues, Hercules reveals that the Olympus Stone was stolen by someone in a black cloak. At the same time, Hades reveals he kidnapped Meg which prompts the Sora, Donald, and Goofy to rescue her while Hercules battles the Hydra in his match.

In the Underworld, the heroes encounter and have their first confrontation with Demyx. After recovering the Olympus Stone, the team rescue Meg with the help of Hercules and Pegasus before opening another gateway with the Olympus Stone. There, they battle Pete while unlocking the Underworld Coliseum. After sending Pete off, Hades gloats his victory while reminding Hercules of the Hydra he neglected to defeat properly. They return to the coliseum to see that the Hydra had destroyed it, leaving Hercules crestfallen over having failed to protect the people. After defeating the Hydra, Sora returns the Olympus Stone to Hercules and reveals itself as a gateway to another world.

Auron and Hercules fight in the Underdrome.

On the team's second visit, the Underdrome has been unlocked, and Hades kidnaps Meg to bait Sora, Donald, Goofy, and Hercules into competing in the games. After earning a place in the finals, they learn that Hades has stolen Auron's free will, controlling him to defeat Hercules, along with Sora. Hercules voluntaries to face Auron alone while Sora, Donald, and Goofy retrieve the statue Hades is using to control Auron. By returning the statue, Auron regains his free will and refuses to fight. Hades, as Hercules's punishment, drops Meg into the River Styx, and Hercules jumps in after her.

Hades believes he is dead and battles the remaining four, proving too powerful for them to defeat even with the Olympus Stone. However, to their surprise Hercules rescues Meg and his strength returns, having proven himself a true hero. With Hercules' help, the heroes manage to defeat Hades, making him fall in the River Styx. Auron gives the trio his thanks before departing from them, planning to forge his own story. Afterward, Sora, Donald, and Goofy bid farewell to Hercules, Meg, and Phil before they depart, not before they become immortalized as constellations to mark them as true heroes, much to Phil's disbelief.

After the Underdrome is re-opened, multiple tournaments are opened after Sora and his friends accomplish certain goals or progress through the worlds.

After Sora returns to Destiny Islands, Hercules finishes rebuilding the Olympus Coliseum to its former glory. Auron watches Hercules and his friends celebrate before departing for the Underworld, fading back into pyreflies.

Kingdom Hearts coded

After discovering that Olympus Coliseum is infested with bugs and Hercules hasn't returned from destroying them, Data-Sora promptly finds and enters the world's Keyhole to reach the labyrinth. After finding several "shreds of wisdom", Data-Sora finds Hercules and the two team-up. Later, they battle Cloud, who was tricked into attacking Hercules by Hades. After losing the battle, Data-Sora and Hercules forgive Cloud for his mistake and offer to join forces but to no avail. In a state of shame and humility, Cloud denies and decides to go his own way. Deeper into the labyrinth, Data-Sora and Hercules find Cloud struggling against a horde of Heartless and insist on helping despite Cloud's protests and reluctance. Eventually, the Heartless are overcome and the three agree to journey together.

This information is based on alternate scenes or materials and is not considered canon within the overall plot of the series.
If the player avoids Cloud, Data-Sora and Hercules can continue on without helping and joining him. Afterward, Sora feels bad about leaving Cloud behind, although Hercules thinks that he'll be all right.

The three soon defeat Cerberus, one of Hades's henchmen. and the supposed source of the world's bugs. Enraged, Hades fights the party himself, only to come out as the loser. Data-Sora then realizes that Cerberus wasn't causing the bugs, meaning the party had to venture even deeper into the labyrinth. During their travels, the party destroy the Behemoth and Rock Titan, which were also wrongly believed to be causing the world's bugs. Once they get to the end, the trio encounters the Ice Titan and defeat it to discover that it was the source of the world's bugs. Finally successful, Data-Sora and Hercules report to Philoctetes while Cloud leaves to go his own separate way.

This information is based on alternate scenes or materials and is not considered canon within the overall plot of the series.
If the player is only doing five layers, Cerberus is found to still be the source of the world's bugs and the party return to Phil after battling Hades. If the player is doing fifteen layers, the Rock Titan is the bug source and the party return after defeating it.

Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage-

In order for Sora to regain the powers he lost when Xehanort kidnapped his body, Yen Sid directs Sora and his friends to go seek training from Hercules at the Coliseum. At first, Sora has trouble finding a route, but he takes Yen Sid's words to heart and uses his heart as his "guiding key", opening a Gate to the world.

Tournament Cups

Kingdom Hearts

• Preliminary Tournament - Opened during the inital visit to Olympus Coliseum (only playable once).
• Phil Cup - Defeat Cerberus and seal the Keyhole in Traverse Town.
• Pegasus Cup - Defeat Parasite Cage for the second time in Monstro.
• Hercules Cup - Seal the Keyholes in Halloween Town and Neverland.
• Hades Cup - Unlock the the three previous tournaments and seal Hollow Bastion's Keyhole.
• Gold Match - Win the Hades Cup.
• Platinum Match - Unlock the Hercules Cup, and clear Hollow Bastion for the first time.

Kingdom Hearts II

• Pain and Panic Cup - Clear Disney Castle for the first time.
• Cerberus Cup - Clear Agrabah, Halloween Town, and Pride Lands for the first time.
• Hades Cup - Opened during the second visit to Olympus Coliseum (only playable once).
• Titan Cup - Clear Olympus Coliseum for the second time.
• Goddess of Fate Cup - Clear previous cups and beat Xemnas for the first time.
• Pain and Panic Paradox Cup - Clear all previous cups.
• Cerberus Paradox Cup - All Drive Forms (except Final) at level 5, unlock Paradox: Pain and Panic
• Titan Paradox Cup - Summon level 5, unlock Paradox: Pain and Panic
• Hades Paradox Cup - Clear Space Paranoids for the second time, clear all previous cups, and all Drives and Summon at level 7.

Kingdom Hearts 358/2 Days

• Games - Available during specific missions.

Kingdom Hearts Birth by Sleep

• Game West Bracket - Opened during the inital visit to Olympus Coliseum (only playable once).
• Game East Bracket - Opened during the inital visit to Olympus Coliseum (only playable once).

Characters

• 

  Hercules
  ^{[KH χ][KH BbS][KH I][KH CoM][KH Days][KH II][KH coded][KH MoM]}

• 

  Philoctetes
  ^{[KH χ][KH BbS][KH I][KH CoM][KH Days][KH II][KH coded]}

• 

  Hades
  ^{[KH χ][KH DR][KH BbS][KH I][KH CoM][KH II][KH coded]}

• 

  Cerberus
  ^{[KH χ][KH DR][KH I][KH II][KH coded]}

• 

  Rock Titan
  ^{[KH I][KH coded]}

• 

  Ice Titan
  ^{[KH I][KH coded]}

• 

  Lava Titan & Tornado Titan ^{[KH I manga]}

• 

  Megara
  ^{[KH II]}

• 

  Pain
  ^{[KH II]}

• 

  Panic
  ^{[KH II]}

• 

  Pegasus
  ^{[KH II]}

• 

  Hydra
  ^{[KH II]}

• 

  Ice Colossus
  ^{[KH BbS]}

• 

  Cloud
  ^{[KH χ][KH I][KH CoM][KH coded]}

• 

  Maleficent
  ^{[KH I]}

• 

  Sephiroth
  ^{[KH Uχ][KH I]}

• 

  Pete
  ^{[KH II][KH coded]}

• 

  Auron
  ^{[KH II]}

• 

  Demyx
  ^{[KH II]}

• 

  Zack
  ^{[KH BbS]}

• 

  Mosh
  ^{[KH II]}

• Hercules's mother Hera is mentioned in his journal profile, and referenced when Sora first speaks to Phil.

Enemies

Other

Cloud [KH CoM][KH coded][KH Uχ] Cerberus [KH I][KH II][KH Uχ][KH DR] Hades [KH CoM][KH II][KH Uχ][KH DR] Hydra [KH II] Pete [KH II] Sephiroth [KH Uχ]

Trivia

• In Kingdom Hearts II, the trophy for the Phil Cup and the plaque for the Pegasus Cup were mistakenly switched to a trophy for the Pegasus Cup and a plaque for the Phil Cup.
• Olympus Coliseum is the only Disney-based world that features Final Fantasy characters.