CENTURION-class Mjolnir

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GEN1 Mark VI
Production overview


Watershed Division[1]





Combine GEN2 enhancements with the GEN1 platform (Mark VI)
Battlespace shaping and operation planning (GEN2)


"I'm wearing three layers of armor. Those man-droppers in your clip would just flatten themselves against my chest."
— LTJG Frederic-104 to Veta Lopis, referring to the ammunition of the latter's SAS-10 pistol[2]

CENTURION-class Mjolnir is a variant of the MJOLNIR Powered Assault Armor manufactured by the Office of Naval Intelligence's Watershed Division.[1]

GEN1 overview[edit]

Design details[edit]

The Mark VI Centurion set was an experimental platform designed to combine the Mark VI armor's architecture with GEN2-era upgrades.[3]

Development history[edit]

The Centurion armor was manufactured by ONI's Watershed Division. In October 2552 a Mark VI version of the armor was available.[4]

One of the testers was Frederic-104, with his suit having a primary purpose to serve as a testbed for new technologies before they were incorporated into the MJOLNIR (GEN2) platform, a more modern armor that would later be utilized by Spartan-IVs.[5]


Spartan Frederic-104 received a prototype Centurion armor upon upgrading to the Mark VI platform at his return to Earth in October 2552, shortly before the Battle for Earth.[4] With it, Frederic fought numerous battles on Earth, and later participated in the Onyx Conflict. Following his return to Earth in 2553, he continued to field-test multiple variants of the Centurion armor during highly confidential operations,[5] until at least October 2558.[1]

GEN2 overview[edit]

Design details[edit]

The GEN2 variant is equipped with C4I2SR (Command, Control, Communications, Computers, Intelligence, Information, Surveillance, and Reconnaissance)[6] technology which, combined with the warfighting skills of the Spartan wearer, has had major ramifications on UNSC doctrine on battlespace shaping and operations planning. The suit's threat management system also features the latest situational awareness tactical software and cognition-enhancing neural interlinks.[1][7]

Development history[edit]

The GEN2 variant was still being developed by the Watershed Division.


By 2558, a GEN2 variant of Centurion is in use by Spartan Fred-104.

In-game information[edit]

Halo 2: Anniversary[edit]

The CENTURION armor is unlockable as an armor permutation for Spartan characters in Halo 2: Anniversary.

Helmet Description Unlock requirements (Halo: MCC)
Centurion armor in Halo 2 Anniversary.
Canon Fodder description: When the Watershed Division began testing next-generation CENTURION-class Mjolnir armor, they created multiple prototypes designed to marry Mk.VI underpinnings with GEN2 enhancements. Unlocked by default.
MCC description: This CENTURIAN-class Mjolnir prototype was the first to marry Mk.VI underpinnings with GEN2 enhancements.

Halo 5: Guardians[edit]

Available skins: Ironside
Default unlock: Legendary Mythic REQ card
Ironside unlock: Legendary Mythic REQ card

  • Helmet description: The CENTURION's C4I2SR technology combined with Spartan warfighting talent is a game-changer for UNSC operational planning and battlespace shaping doctrine.
  • Body description: The CENTURION threat management system incorporates the latest situational awareness tacsofts and cognition enhancing neural interlinks.


  • A centurion was an officer in the ancient Roman army, in command of a century—a company of a hundred soldiers.[8] The MJOLNIR Centurion armor bears a Roman-like crest on top of its helmet.[9]
  • All Centurion armors in Halo 5: Guardians have "104" stenciled on the chest plate in Braille.
  • In the final version of Halo 5: Guardians, Fred's GEN2 Centurion armor has the techsuit gloves in two colors (pale blue and light turquoise), in the same two-tone coloring scheme as Kelly-087's Hermes and Linda-058's Argus armors.


Normal gallery[edit]

Halo 5: Guardians skins[edit]

Halo 5: Guardians REQ cards[edit]

List of appearances[edit]