Editing Riku-Ansem

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'''Riku-Ansem''' is the form that [[Riku]] takes to capture [[Roxas]], a mission requested by [[Ansem the Wise|DiZ]] to help with [[Sora]]'s awakening and restore his power. Roxas was overpowering Riku during their battle, but Riku was determined not to lose to him, so he removed his blindfold and revealed the dark power of [[Ansem, Seeker of Darkness|Ansem]] that he had been hiding within him. He then succeeds in defeating Roxas and takes him to DiZ, and ultimately the [[Simulated Twilight Town]].

 

After the [[Kingdom Hearts Encoder]] exploded while attempting to turn [[Kingdom Hearts]] into data, Riku was purged of Ansem's influence and he transformed back into his normal form.

On Day 354, Riku temporarily appears as Ansem when he meets up with Mickey in [[The Woods|the woods]], before returning to his normal form. He warns Mickey that he might fall into darkness during his upcoming fight with a member of Organization XIII, and makes him promise to help Sora once he awakens and to not tell Sora of Riku's fate. As he anticipates, Riku is forced to draw on the power of darkness to subdue [[Roxas]], and he takes the form of Ansem indefinitely. [[Ansem the Wise|DiZ]] arrives to take custody of the unconscious Roxas, and from this time on, Riku deals with DiZ in the assumed persona of Ansem, although he keeps himself hooded.

Riku, still in the form of Ansem, helps DiZ with the process of merging Roxas with Sora. He occasionally appears before Roxas in the [[simulated Twilight Town]], and on separate occasions steals the [[Munny Pouch]] and [[Struggle Trophy|Crystal Orb]], which he later gives to Mickey for Sora. He also interrupts [[Naminé]]'s conversation with Roxas, and holds off the Nobodies on the sixth day when Roxas enters the Old Mansion. After Sora awakens, he makes a move for them to leave as he, Naminé and [[Axel]] meet up at Sunset Hill. After being asked by Axel about DiZ's orders to destroy them, he allows them to leave, much to their shock. He then gave them a word of thanks for their help during his and Sora's first encounter with the Organization in Castle Oblivion a year earlier. The three depart via a [[Corridor of Darkness]] opened by Axel.

At the end of the [[Battle of the 1000 Heartless]], Sora, Donald, and Goofy are sent into a Corridor of Darkness by [[Maleficent]]. While they are there, Riku briefly appears, leaving a box containing [[sea-salt ice cream]] and a photo from the simulated Twilight Town, depicting [[Hayner]], [[Pence]], [[Olette]] and Roxas

He appears again in [[The Land of Dragons]], where [[Mulan]] is investigating rumors of a spy in black. Sora, Donald, and Goofy accompany her to the [[summit]], where they face a swarm of [[Rapid Thruster]]s. While Donald, Goofy, and Mulan go on ahead, the hooded Riku appears before Sora, and the two fight in the middle of the swarm. After a short battle, Riku runs off, but Sora begins to suspect who he really is. Riku travels to the Imperial Palace, where he subdues [[Li Shang]] before warning [[the Emperor]] of the [[Storm Rider]]. After snarkily commenting that "three wise guys" would take care of things, he leaves the world.

After Naminé helps Kairi escape her cell in the [[Castle That Never Was]], they are confronted by [[Saïx]] and a pair of [[Berserker]]s. However, Riku appears and takes out the Berserkers with [[Way to the Dawn]] before driving off Saïx. Kairi realizes who he is when Naminé calls him by name, and she removes his hood to reveal Ansem's face. Riku takes Kairi to the upper level of the [[Hall of Empty Melodies]], where Sora is facing a massive wave of [[Shadow]]s. When Shadows attack Kairi, Riku dispatches them and hands Kairi the [[Destiny's Embrace]] Keyblade. He then summons his own Keyblade, and he and Kairi take on the Heartless. After Sora defeats Xigbar and makes his way to the upper level, he meets up with Kairi and Riku. At first Sora believes that Riku is Ansem, but Kairi helps him realize who Riku really is. After an emotional reunion, Sora, Kairi, Riku, Donald and Goofy continue on through the castle, encountering and defeating Luxord and Saïx. In [[Naught's Approach]], Ansem the Wise's [[Kingdom Hearts Encoder]] explodes while attempting to turn [[Kingdom Hearts]] into data. The ensuing explosion causes Riku to return to his true form.

[[File:The Beginning of Everything 03 KHIIFM.png|thumb|left|Riku-Ansem can summon Xehanort's Guardian.]]

While in Riku-Ansem form, Riku gains complete control over the dark powers of Ansem, Seeker of Darkness. He can levitate, summon [[Xehanort's Guardian|the Guardian]], teleport, and expel bursts of dark energy (though this is only shown when he actually transforms). He also gains his [[Dark Firaga]] ability from his [[Dark Mode]], and a Dark Shield ability (which carries over to his normal form). He can also open and use [[Corridor of Darkness]]. In this form, he is easily able to defeat Roxas and Li Shang and overpower Saïx, forcing the latter to flee.

However, when the Kingdom Hearts Encoder exploded and he was reverted out of this form, his heart was no longer tainted with darkness, so he could no longer use many of the abilities of his Riku-Ansem mode (as revealed when they attempted to leave The World That Never Was and Riku failed to open a Corridor of Darkness).