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Chaos 2

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Chaos 2 is a form attained by Chaos and serves as a boss in Sonic Adventure and its remake Sonic Adventure DX: Director's Cut. It is achieved after absorbing the negative chaos energy of two Chaos Emeralds.


C B 018

Chaos 2 in battle.

Chaos 2 looks much like the water humanoid Chaos 0 and Chaos 1, except it is much taller and muscular. It has gained a broader chest, wider shoulders, larger hands and more muscle-toned limbs. It has also gained gray bones in both its arms that travel down its shoulders into its hands where each of the Chaos Emeralds are embedded. Its head has as well moved forward and the horns on its back head have move up on the sides of its head to give it a hammerhead-style look.

Powers and abilities

Dolphin 2015-07-31 18-58-11-834

Chaos 2 splitting himself into projectiles.

Because of the two Chaos Emeralds empowering him, Chaos' hydrokinesis is enhanced to the point that he can produce water over a huge area. His strength is also increased, giving him more powerful punches and extendable limbs (though stretching renders him vulnerable). For defense, Chaos 2 can generate an energy shield that cannot be bypassed. He can also shapeshift to assume forms like a giant ball. In some occasions, Chaos 2 can separate himself into several sphere projectiles that home into opponent, with his brain enveloped into a red aura for a short time afloat in mid-air, as another way to attack.


To start the boss battle with Chaos 2 using Knuckles the Echidna, the player has to enter the Hotel Restaurant in Station Square.

Boss guide

In battle, Chaos cannot be attacked, until he begins to first. As attacking, cause him to use his energy shield. When he attacks, aim for a punch at him, rendering him to his water form until he return back. If he takes as a sphere form, jump at it, to make him leave this form to attack. After dealing three damages, he will consume the arena with water, glide to bypass this type of harmful water, until he returns back. And when he attacks once again, finish him.


Sonic Adventure DX Boss Attack Chaos 2 in 10 53-000:34

Sonic Adventure DX Boss Attack Chaos 2 in 10 53-0

In other media

Sonic X

Main article: Chaos 2 (Sonic X)
Chaos 2

Chaos 2 in Sonic X.

In the anime series Sonic X, Chaos 2 appeared during the Chaos Saga. When Chaos 1 was confronted by Sonic and Knuckles, Dr. Eggman turned it into Chaos 2. It still lost to the heroes, but Eggman was able to get away with Chaos 2 and later turn it into Chaos 4.


  • Though the Hint Orb's description say that its brain must attacked to deal damage, Chaos 2 is vulnerable in any spot, unlike Chaos 0.
  • Chaos 2 is the only form of Chaos which Sonic does not fight.




Sonic Adventure

Main article | Gallery | Beta Elements | Re-releases (DX | 2010)

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