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For the version of this process after the Super Genesis Wave, see Cyberization.
Legionization tabel

Snively and some Dark Egg Legionnaires preparing to Legionize Rotor Walrus, from Sonic the Hedgehog #210.

Legionization is a subject that appears in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It is the process of removing body parts of Mobians or Humans and replacing them with cybernetic implants. Mobians who undergo this process become members of one of the Dark Egg Legion chapters around Mobius.


Legionized bomb

Eggman holding the explosive device placed in all legionnaires, from Sonic the Hedgehog #220.

Legionization differs from Roboticization in that it is often willingly undergone by various individuals who have pledged loyalty to Eggman.[1] In the case of unwilling recipients, the process is accompanied by brainwashing, rendering victims emotionless and obedient.[2] Even in the former cases, however, a certain amount of loyalty has been ensured by the installation of explosives in the cybernetic implants of the Legionnaires that Eggman can activate at any time by remote or voice command. According to the Iron Queen, these explosives are implanted in such a way as to make them incredibly difficult-if not impossible-to remove.[3][4]

While its intention is inherently sinister, Legionization does have some benefits, as evidenced by members of the Great Desert Dark Egg Legion. In particular, Beauregard Rabbot claimed that the process had repaired his "bum knee", while Matilda the Armadillo was equipped with arms that gave her vastly increased strength.[5]


The Legionization process was first utilized by the Eggman Empire some point after the Xorda's attack on Mobius as an alternative means of enslavement, since the Bem made it impossible for Dr. Eggman to roboticize Mobians. It was derived from Dr. Robotnik's early experiments with creating cyborg warriors, which led to the creation of Monkey Khan. The term "legionization" was adopted after the remnants of the Dark Legion joined the Eggman Empire, as did the use of robes and the term "Grandmaster" for Sub-Bosses.[6]

The Iron Dominion started using the Legionization process upon their arrival in New Megaopolis in 3237. Microchips were also provided to the local Dark Egg Legion chapter designed to de-activate the bombs placed in their cybernetics, but also render them completely susceptible to the Iron Queen's Magitek.[4][7] After they successfully occupied New Mobotropolis the Iron Dominion began rounding up citizens and forced them to undergo the process of legionization.[8][9] Legionized Mobians were subsequently dispatched to regional Dark Egg Legion chapters abroad.[5]

Though Roboticization was later made possible once again as a result of Operation: Clean Sweep, only half the planet's population was left vulnerable to the process, and thus Legionization continued to be employed as a process of enslavement.[10]

Note: From this point, Legionization history continues from its new existence in the altered timeline.


  • The cyberization process is reminiscent of the assimilation process used by the Borg in the Star Trek franchise, particularly the forcible implanting of cybernetics into a living person.This similarity is possibly intentional, given the comics' penchant for making references to other science-fiction franchises. Of course, it is notable that the legionrized individuals retain their individual will, with the exceptions of Lien-Da's brief domination of her chapter using the altered microchip and the various brainwashed Legionnaires.
  • The term legionization gets its name from the Dark Legion, but Robotnik had employed the process prior to them joining the Eggman Empire. A notable example of this appears to have been Kage Von Stryker of the Dingo Regime.
  • The replacement of the term "Legionization" with "Cyberization" most likely occured due to the former term's association with the Dark Legion concept created by Ken Penders.


  1. Sonic Universe #11, "Echoes of the Past Part Three"
  2. Sonic Universe #37, "Scrambled Part 1: The Man in Charge"
  3. Sonic the Hedgehog #192, "Metal and Mettle Part 2"
  4. 4.0 4.1 Sonic the Hedgehog #201, "Change In Management"
  5. 5.0 5.1 Sonic the Hedgehog #217, "Thicker than Water Part One"
  6. Sonic the Hedgehog: The Complete Sonic Comic Encyclopedia, "The Dark Egg Legion"
  7. Sonic the Hedgehog #206, "Birthright Part Two"
  8. Sonic the Hedgehog #208, "Iron Dominion Part One"
  9. Sonic the Hedgehog #210, "Home Invasion Part One: Breaking and Entering"
  10. Sonic the Hedgehog #236, "Cry Freedom!"

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