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Ultimate Gemerl

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Ultimate Gemerl (アルティメットジーメル Aruteimetto Jīmeru?)[1] is the true final boss of Sonic Advance 3, fought in Nonaggression. He is the Super State of Gemerl, achieved by absorbing the power of the seven Chaos Emeralds.


As Ultimate Gemerl, Gemerl undergoes a drastic change in appearance. His former humanoid body becomes a large black robotic disk exceeding a meter in diameter, with four extendable grey claws-like hands on his sides.

On his saucer-like body, Ultimate Gemerl has a yellow four-pointed star-shaped piece, which is split in half, attached, with a small blue orb in the center. In each of the corners of this yellow piece, Ultimate Gemerl has what appear to be blue eyes with red trims, giving him a total of four eyes on the surface of his body. In addition, Ultimate Gemerl has a "mouth piece" on the side of his body which hides a red orb.


As Gemerl and Dr. Eggman escaped from their defeat at Altar Emerald, Gemerl began short-circuiting. Then, without warning, presumably due to his battle damage and Emerl's data, Gemerl struck Sonic, forcing the blue hedgehog to drop the seven Chaos Emeralds. Gemerl then stole and harnessed the seven Chaos Emeralds to transform into Ultimate Gemerl. After his transformation, Ultimate Gemerl first act was to betray Dr. Eggman, by grapping the doctor in his Egg Mobile and throwing him at Sonic. Ultimate Gemerl then took off into space to cause more havoc elsewhere, but not before discarding the Chaos Emeralds.

After having made it into space, Ultimate Gemerl was pursued and challenged to a battle by Super Sonic and Dr. Eggman, the two of them having put aside their personal vendettas to stop the rogue robot. Ultimate Gemerl fought the unlikely duo, but defeated and reverted back to normal in a large explosion, before falling back down to Earth.

Powers and abilities

Due to being infused with the seven Chaos Emeralds' power, Ultimate Gemerl accordingly commands ultimate power and has access to unlimited energy.[2][3] In his Super State, Gemerl's innate abilities are multiplied several times over. He is also capable of high-speed flight (although not as fast as Super Sonic) and is nearly invulnerable to harm, even from attacks launched by other Super State users. When in battle, Ultimate Gemerl can extend his claws and use them to attack. These robotic limbs are able to extend great lengths and possess enough strength to knock away even Super State users for a few seconds.

With his claws, Ultimate Gemerl can perform a multitude of powerful attacks: from each of his claws, he can fire small beams that can freeze even Super Sonic for a few movements and launch small missiles. Also, by joining two of his claws together, he can form a large energy beam.


Ultimate Gemerl's only weak spot is his red core orb which is still vulnerable to damage. This orb, however, is protected by Ultimate Gemerl's mouth piece which has to be forced open.


  • Ultimate Gemerl is the first Super State in the Sonic the Hedgehog series not to have the prefix "Super" or "Perfect" in his name.



  1. (in Japanese) ソニックアドバンス3最強攻略ガイド. Shogakukan. July 2004. ISBN 978-4091061737.
  2. BioWare (September 26, 2008). Sonic Chronicles: The Dark Brotherhood. Nintendo DS. Sega. "Codex: Each Emerald can float on its own power, but anyone who combines all seven of the Chaos Emeralds can command ultimate power."
  3. Sonic Team, Sonic Team USA (27 February 2004). Sonic Battle. Gameboy Advance. Sega. Area: Emerald Beach (Shadow's Episode). "Sonic the Hedgehog: I've heard that he who collects 7 "Chaos Emeralds" will be granted unlimited energy."
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