Dark Aura

Oh no! The water! I'm in big trouble if I don't fetch it!
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"Just try to keep up!"

—Riku using Dark Aura.

In most incarnations, Dark Aura allows Riku to rush enemies in all directions.

Dark Aura (ダークオーラ, Dāku Ōra), also translated as "Dark Rush" in Kingdom Hearts χ, is technique introduced in Kingdom Hearts. It is a signature move of Riku, and it appears repeatedly throughout the Kingdom Hearts series. It typically allows the user to rush enemies repeatedly from all directions, finishing by plunging their weapon into the ground, releasing columns of energy radially. The attack often deals dark damage.

There is a variation of Dark Aura exclusive to Kingdom Hearts II in which Riku launches spheres of dark flame at the opponent, a technique similar to Dark Firaga.

Mechanics

In Kingdom Hearts Chain of Memories, Dark Aura is an attack sleight that Riku can use while in Dark Mode. The columns of flame that conclude the attack may confuse enemies when hit. The card combination for Dark Aura is:

+ + (27)

In Kingdom Hearts II, Dark Aura instead allows Riku to fire a volley of dark fire.

In Kingdom Hearts II, Dark Aura is an action ability available once Riku joins the party. So long as Riku is in the active party, whenever Sora completes an attack combo, the player can press to execute the Dark Aura Reaction Command, in which Riku fires spheres of dark flame that can stop enemies on contact. It costs two AP to equip and ten MP to use. During the final battle with Xemnas when the player is forced to play as Riku, Dark Aura can be used by pressing .

In Kingdom Hearts 3D: Dream Drop Distance, Dark Aura is an attack command exclusive to Riku that uses two slots and has a reload time of 42 seconds. It grants +4 to Strength and +10 to Dark Resistance when attached to a Dream Eater recipe.

In Kingdom Hearts Union χ, Dark Aura is a special attack that targets all enemies. In the English version, it costs 0 special attack gauges to perform, and raises the user's general strength by 1 tier for 1 turn. In the Japanese version, it costs 3 special attack gauges to perform, and raises the user's general strength and defense by 1 tier for 1 turn.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dark Aura +5	6★	x1.70	x1.74	x1.78	x1.82	x1.86	x1.90		6

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dark Aura +5	6★	x1.99	x2.07	x2.15	x2.23	x2.31	x2.39		6

In Kingdom Hearts Union χ, Dark Rush is a special attack that targets all enemies. It costs 4 special attack gauges to perform. It lowers the general defense of all enemies by 1 tier for 2 turns. It inflicts more damage the higher the slot number.

Special attack	Rarity	Base	•	••	•••	••••	•••••		Hits
Dark Aura +5	6★	x2.10 - 3.28	x2.20 - 3.38	x2.30 - 3.48	x2.40 - 3.58	x2.50 - 3.68	x2.60 - 3.78		8

Learning Dark Aura

Kingdom Hearts Chain of Memories

• Riku learns Dark Aura once he obtains the ability to enter Dark Mode.

Kingdom Hearts II

• Riku has Dark Aura as a default ability.

Kingdom Hearts 3D: Dream Drop Distance

• Sora and Riku can purchase Dark Aura from the Ghostabocky Ability Link for 400 Link Points.
• Sora and Riku can purchase Dark Aura from the Keeba Tiger Ability Link for 400 Link Points.

Kingdom Hearts Union χ

• Dark Aura +5 is the special attack of medal 450: Roxas & Axel & Xion.
• Dark Rush +5 is the special attack of medal 657: Dark Riku.

Other appearances

Riku is fought several times as a boss throughout the Kingdom Hearts series. Dark Aura serves as one of his desperation attacks in each of these encounters.

Kingdom Hearts

Initially, Riku could only use Dark Aura while under Ansem's influence.

When Sora faces Riku for the second time while Riku is under the possession of Ansem, Seeker of Darkness in Hollow Bastion, Dark Aura serves as Riku's strongest attack. It is used when he is low on HP and his hand is glowing in a sphere of dark energy.

Kingdom Hearts Chain of Memories

+ +

As a Replica created from the real Riku's combat data, the Riku Replica can utilize all of Riku's abilities which are exclusive to Dark Mode. Unlike Riku, who needs a card value of 27 to execute Dark Aura, the Riku Replica can use it with any value, granted he only gains access to the Sleight during his final battle with Sora in the main story and Riku in Reverse/Rebirth.

The finisher of the Riku Replica's version of Dark Aura has about two times the range of the real Riku's.

Kingdom Hearts 358/2 Days

During his battle with Roxas in The World That Never Was, Riku is able to use Dark Aura once he charges the Oblivion Keyblade. Rather than attacking while teleporting over the whole arena, Riku simply attacks Roxas's position. In Mission Mode, Anti-Riku can use Dark Aura as well.

Kingdom Hearts Re:coded

Data-Riku during his third phase and Data-Riku (Bugged) can use Dark Aura.

Trivia

• In Kingdom Hearts 3D: Dream Drop Distance, if Riku is caught in a Kooma Panda's Tea Table Flip during the initial start-up of Dark Aura, a glitch will occur that causes him to pass through the floor and remain in the animation until the player resets the game.