Editing Oblivion

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The '''Oblivion''' is a [[Keychain]] for [[Kingdom Key|Sora's Keyblade]] introduced in  ''{{c|Kingdom Hearts|game}}''. In ''Kingdom Hearts 358/2 Days'', it can be upgraded to the '''Oblivion+'''. It also appears as half of [[Roxas]]'s [[Oathkeeper & Oblivion|dual set]] of Keyblades alongside the [[Oathkeeper]], and was transformed from the second Kingdom Key Roxas obtained after [[Xion]] returned to Sora. The Oblivion is symbolic of Sora's memories of [[Riku]].<ref>'''''{{w|Weekly Famitsu}}'''''<!--If anyone knows which volume issue and page this is, please add it-->, '''Tetsuya Nomura''': "The Keyblades the boy who knows Sora is holding are the Oathkeeper and Oblivion from the first game. The precious "Oathkeeper", which Sora received from Kairi. The jet-black Keyblade, symbolic of Riku. The Oblivion, at first, was called Riku's Keyblade. The boy who has the Keyblades from Riku (darkness) and Kairi (light)... Who is he!?" [https://www.khinsider.com/news/Famitsu-showcases-Kingdom-Hearts-HD-2-8-Nomura-interview-released-8108 Translation via KHInsider].</ref>

Originally, the Oblivion was planned to be given to Sora by Riku, similar to how Kairi gives Sora the Oathkeeper. As such, the Keychain's token is a black version of Sora's crown necklace.<ref>'''''[[Kingdom_Hearts_Ultimania#Kingdom_Hearts_Ultimania|Kingdom Hearts Ultimania]]''''', '''Tetsuya Nomura:''' "Its development name was the 'Riku Keyblade.' In early stages we planned to have Riku give you a keychain, just like the lucky charm, which is why the keychain is a different colored version of Sora's necklace." [https://www.khinsider.com/news/A-Look-Back-KINGDOM-HEARTS-Ultimania-Gallery-Comments-Part-1-15519 Translation via goldpanner].</ref>

Oblivion is similar in shape to the [[Kingdom Key]], though is black and has a longer reach. The hilt guard is comprised of two bat-like wings extending downward. The teeth are in the shape of the Kanji for "darkness" (闇). The Keychain's token is a black version of Sora's crown icon. Like the Oathkeeper, the Oblivion's blade is hollow, but it has a chain passing through the gap. The diamond in its hilt also resembles the diamond in the original logo of [[Hollow Bastion]]. When the Oblivion is summoned in ''Kingdom Hearts II'', black smoke and violet sparks surround it. In ''Kingdom Hearts III'', it starts out as a dark cloud in-hand and the Keyblade "stretches" out in crackling dark energy.

The Keyblade's name means a "state of forgetting or having forgotten", and its Japanese name has the same basic meaning. The Oblivion is often associated with the memories that are passing away, such as when Sora reaches the last floors of [[Castle Oblivion]], or when Roxas begins forgetting Xion following her destruction.  

In ''Kingdom Hearts Re:coded'', the names of the Oblivion's upgrades allude to the protagonists of the series. "Wind" is associated with Ventus, "Earth" matches up with Riku and Terra, "Sea" corresponds with Aqua and Kairi, and "Sky" references Sora.

In ''Kingdom Hearts III'', the portion of the blade with the chain is now visibly hollow, allowing see-through gaps in the chain. The handguard is now wider with the wing design pushed further up. The tip of the blade where the chain ends now has the grey portion less intricately designed.

Riku is the only one able to wield the Oblivion Keyblade on its own in ''Kingdom Hearts 358/2 Days'', though Roxas can wield it in conjunction with Oathkeeper. Riku can equip the Oblivion by equipping the [[Pandora's Gear]] or the [[Pandora's Gear+]]. The ground combo consists of a lone rush forward, then if you press {{button|dsy}} then he will do an uppercut into the air and jump slightly. If you press {{button|dsy}} again, then he will do a violent downward thrust. If you press {{button|dsa}} instead, he will do a 360° spinning slash on the left side, and ends with an upward slash with a slight jump. The aerial combo consists of a diagonal upward slash from the right leg, the same slash from the left leg, another slash from the right leg, a smack with the teeth area, and a violent downward thrust with the top of the Keyblade.

In the intro of ''Kingdom Hearts 3D: Dream Drop Distance'', Roxas is shown dual wielding the Oathkeeper and Oblivion against Axel; Riku also wields the Oblivion against Xemnas, while Sora uses the Oathkeeper. Later, when Mickey summons Ventus, Aqua, Terra, and Roxas to aid him, Sora, and Riku in a battle against Xehanort, Roxas can be seen summoning the Kingdom Key before it quickly transforms into the Oblivion.