Canon

COPPERHEAD-class Mjolnir

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Copperhead
GEN3
Icon of the "Copperhead" bundle.
GEN2
A render of Olympia Vale.
Production overview

Manufacturer(s):

Watershed Division[1]

Type:

Role(s):

Covert operations[1]

 

COPPERHEAD-class Mjolnir is a MJOLNIR armor variant designed by the Watershed Division.[1]

Overview[edit]

Design details[edit]

The suit is equipped with interior systems to exploit the complex "terrain" of human and alien societies.[1] Olympia Vale's Copperhead armor weighed approximately 400 kilograms.[2]

Development history[edit]

Designed by the Office of Naval Intelligence's Watershed Division. Copperhead armor was built and designed from the very beginning to be used in covert operations and other "special activities".[1]

Equipped with interior systems to exploit the complex "terrain" of human and alien society, the origin of the Copperhead armor's "militarized anthropology" decision support system originates from innovative tools created by Colonial Administration Authority field teams that operated in the Insurrection.[1]

Usage[edit]

The armor variant is rarely seen as it is closely guarded by ONI's direct action teams and personnel require high levels of clearance to even review maintenance logs.[1]

Spartan Olympia Vale used this armor in 2558.[1]

In-game information[edit]

Halo 5: Guardians[edit]

Copperhead was introduced in Halo 5: Guardians as an armor permutation unlockable via the Requisition system. Like Helljumper, Hunter, and Technician, the armor acts as a pseudo-recreation of Olympia Vale's armor within Halo 5's campaign; only lacking the uniquely designed techsuit Vale's variant possesses. It features one solitary skin: Fangs.

Armor Description Rarity Introduced in Unlock requirements
REQ icon for the Copperhead armor.
Copperhead (helmet) 		Packed with systems to exploit the complex "terrain" of human and alien society. The origin of COPPERHEAD's "militarized anthropology" decision support system can be traced to innovative tools crafted for use by Colonial Administration Authority field teams working during the darkest days of the Insurrection. Mythic Introduced on launch. Purchase a Gold REQ pack for REQ Points 10,000 REQ points.
REQ icon for the Copperhead armor.
Copperhead Fangs (helmet skin)
REQ icon for the Copperhead armor.
Copperhead (body) 		A multipurpose armor system built from the ground-up for covert "special activities," COPPERHEAD armor is rarely seen since it is jealously guarded by ONI's direct action teams. Requires Eyes Only Top Secret clearance to review maintenance logs.
REQ icon for the Copperhead armor.
Copperhead Fangs (body skin)

Halo Infinite[edit]

Copperhead would later make a return in an updated form in Halo Infinite, added during the Fall Update's Haloween II Operation on October 28, 2025 in celebration of Halo 5: Guardians' 10th anniversary. It is available both through the Shop and The Exchange. The Copperhead helmet and its associated armor parts are primarily available for the Mark VII armor core.[3]

Armor Manufacturer Lore Rarity Introduced In Unlock Requirements
Winning over new allies has never been more important for the UNSC, and COPPERHEAD is a vital tool for covert and kinetic diplomacy. (Watershed Division/Legendary)
Copperhead 		Watershed Division Winning over new allies has never been more important for the UNSC, and COPPERHEAD is a vital tool for covert and kinetic diplomacy. Legendary Haloween II

Purchase either:

  • "Copperhead" for 1,800 cR (Shop) or 125,000 SP (The Exchange)
  • "Vault of Osiris" for 3,900 cR
Custom-tailored comm uplink to augment the Copperhead's suite of "militarized anthropology" decision support systems. (Watershed Division/Legendary)
HUL-I/Viperflare 		Custom-tailored comm uplink to augment the Copperhead's suite of "militarized anthropology" decision support systems.
Lightweight harness with attachment points for specialized CAA field gear. (Watershed Division/Legendary)
Copperhead Harness 		Lightweight harness with attachment points for specialized CAA field gear.
Supplemental deltoid/shoulder armor. (Watershed Division/Legendary)Supplemental deltoid/shoulder armor. (Watershed Division/Legendary)
UA/Koper 		Supplemental deltoid/shoulder armor.
Diplomacy is words and deeds. (Watershed Division/Legendary)
UA/Sention 		Diplomacy is words and deeds.
Can hold an aurum or two. (Watershed Division/Legendary)
UTIL/Artisan Pouch 		Can hold an aurum or two.
Supplemental leg armor. (Watershed Division/Legendary)
UA/Type BB 		Supplemental leg armor.

Production notes[edit]

References[edit]

The armor's name references the copperhead, a species of viper, closely related to rattlesnakes. The sole armor skin in Halo 5: Guardians references the animal's large fangs.

Gallery[edit]

Main-Superintendent.png Browse more images in this article's gallery page.

Concept art and illustrations[edit]

  • Early concept art of Copperhead armor for Halo 5: Guardians.

    Early concept art of Copperhead armor for Halo 5: Guardians.

  • More early concept art of Copperhead armor.

    More early concept art of Copperhead armor.

  • More early concept art of Copperhead armor, depicting a different visor shape.

    More early concept art of Copperhead armor, depicting a different visor shape.

  • Later concept art of Copperhead, for Halo 5: Guardians intro cinematic.

    Later concept art of Copperhead, for Halo 5: Guardians intro cinematic.

  • Vale in her Copperhead armor on the cover of Halo: Outcasts.

    Vale in her Copperhead armor on the cover of Halo: Outcasts.

Screenshots[edit]

  • Renders of the armor.

    Renders of the armor.

  • Front and back of Copperhead armor.

    Front and back of Copperhead armor.

  • Copperhead (far left), as seen in Halo 2: Anniversary.

    Copperhead (far left), as seen in Halo 2: Anniversary.

  • Copperhead as seen on Olympia Vale during the Halo 5: Guardians campaign.

    Copperhead as seen on Olympia Vale during the Halo 5: Guardians campaign.

  • Vale using the Copperhead armor during the level Battle of Sunaion.

    Vale using the Copperhead armor during the level Battle of Sunaion.

  • Armor's HUD.

    Armor's HUD.

  • The Copperhead armor in Halo Infinite alongside the HUNTER-class Mjolnir and the HELLJUMPER-class Mjolnir armor.

    The Copperhead armor in Halo Infinite alongside the HUNTER-class Mjolnir and the HELLJUMPER-class Mjolnir armor.

  • The Copperhead armor in Halo Infinite alongside the HUNTER-class Mjolnir armor.

    The Copperhead armor in Halo Infinite alongside the HUNTER-class Mjolnir armor.

  • A GEN3 Copperhead-clad Spartan.

    A GEN3 Copperhead-clad Spartan.

  • A Spartan wearing the GEN3 Copperhead armor.

    A Spartan wearing the GEN3 Copperhead armor.

Halo 5: Guardians skins[edit]

  • Default skin.

    Default skin.

  • Fangs skin.

    Fangs skin.

List of appearances[edit]

Sources[edit]

  1. ^ a b c d e f g h i Halo Waypoint, Canon Fodder - Conventional Warfare (Retrieved on Oct 30, 2021) [archive]
  2. ^ Halo: Outcasts, chapter 10
  3. ^ Happy 10th Birthday Halo 5 (Retrieved on Oct 28, 2025) [archive]

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List of armor permutations by game title

v • d • e
 
List of armor permutations in Halo 5: Guardians
Achilles • Air Assault • Anubis • Argonaut • Argus • Athlon • Atlas • Aviator • Breaker • Buccaneer • CQB • Centurion • Challenger • Cinder • CIO • Commando • Copperhead • Cyclops • Cypher • Deadeye • Decimator • Defender • Dynast • EOD • Enforcer • Engineer • EVA (GEN1 and GEN2) • Fenrir • Foehammer • FOTUS • Freebooter • Goblin • GUNGNIR • Helioskrill • Hellcat • Helljumper • Hermes • Hunter • Icarus • Indomitable • Infiltrator • Interceptor • Intruder • Jumpmaster • Legionnaire • Locus • Mako • Marauder • Mark IV • Mark V (Alpha and Delta) • Mark VI (GEN1 and GEN2) • Maverick • Military Police • Nightfall • NOBLE • Nomad • Olive • Operator (GEN1 and GEN2) • Orbital • Pathfinder • Pioneer • Pilot • Protector • Raider • Raijin • Ranger • Reaper • Recluse • Recon (GEN1 and GEN2) • Recruit • Rogue • Scanner • Scout • Security (GEN1 and GEN2) • Seeker • Shinobi • Soldier • Stalker • Stinger • Strider • Teishin • Technician • Timmy • Tracer • Tracker • Valkyrie • Vector • Venator • Venture • Vigilant • Viper • Void Dancer • Warrior • War Master • Wetwork • Wrath
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List of armor permutations in Halo Infinite
Spartan armor
Mark VII Achilles • Agitator • Anubis • Armet • Argus • Aviator • Barrister • Brawler • Camazotz • Cavallino • Celox • Cestus • Champion • Cohort • Copperhead • Courier • Deadeye • Dirgesinger • Dokkaebi • Dominar • Eclipse • Emissary • Enigma • Firefall • Fire Serpent • Flanker • FOTUS• Hawker • Hayabusa • Helioskrill • Helljumper • Helsinger • Hermes • Hunter • ISR • Kai-125 • Linebreaker • Magister • Mark V Zeta • Mark VI • Mark VI MOD • Mark VII • Mark VII [H] • Menachite • Mercury • Prefect • Raider • Rampart • Renegade • Riz-028 • Rockeye • Scanner • SECOPS • Security GEN1 • Security GEN3 • Shinobi • Soldier • Sovereign • Spartanstein • Stormfall • Talon • Thremaleon • Trailblazer • Trendlock • Tribune • Trooper • Torchbearer • Tormenter • Vannak-134 • Venator • Vindicator • Volant • War Master • Warmonger • Wetwork • Winterknight • XM55 AICH • Zvezda
Mark V [B] Air Assault • Commando • CQB • CQC • EOD • EOD GEN1 • EVA • EVA GEN1 • Grenadier • GUNGNIR • HAZOP • JFO • Liberator • Mark V • Mark V [B] • Mark VI • Military Police • ODST • ODST Hardshell • Operator • Pilot • Recon • Rogue • Scarred Comet • Scout • Scout GEN1 • Security
Rakshasa AKIS II-GRD • Artaius • Assailer • Bunyip • Cambion • Conqueror • Cutthroat • Direwolf • Echo Nine • Firbolg • Lechuza • Locus • Morrigan • Negotiator • Rakshasa • Rasetsu • Scorn • Shikari • Stribog • Taskmaster • Ullr • Viper
Mirage IIC Athlon • Balor • Belus • Bruma • Erinyes • Extender • Hermes IIC • Inciter • Infractor • Mirage IIC • Neith • Nexus • Orion IIC • Responder • Savage • Skymarcher • Squire • Street Viper • Tyro • Veles • Whisper
HAZMAT Ashmaw • Burrowlens • Exo • Farkas • Gourdian Knight • Mark VI CBRN • Notus • Oberon • OSTEO • Ogun • Project CORSAC • Serket • Skarbnik • Steelheart • Temfor • Voidspear
Mark IV Ardent • Emil • Heartguard • Hellcat • Isidor • Lancer • Mark IV • Orcus • Paladin • Theodor • Ulrich • Valiant • Wilhelm • Xantippe • Ypsilon • Zacharias • Ärger • Ökonom
Spartan armor accessories
AAP • FC • FCI • SAP • TAC (Assault) • UA (Collar • Type FJ) • UTIL (HP)
Other
Fractures Spartan armor
Yoroi Azechi • Chonmage • Hakushika • Hikeshi • Ikari • Jingasa • Kabuto • Kawari • Kendo • Otomosho • Yokai
Eaglestrike Boggart • Brodie • Eaglestrike • Kerberos • Lancejack • Leadbelcher • M199X • Sky Marshal
Chimera Abatur • Aristos • Chimera • Deltajock • Flenser • Fomorian • Geist • Grendel • Grimghast • Merrow • Mimir • Peaceweaver • Rectifier • Strigoi • Sundered Star • Thresher • Wendigo
For a complete list, check out our armor category.

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List of armor permutations by generation

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MJOLNIR Powered Assault Armor
Mainline armor generations
Mark I • Mark II • Mark III • GEN1 (Mark IV • Mark V • Black • Mark VI • Mark VII) • GEN2 • GEN3
Armor components
Competing and related projects
ARTAIUS • Buccaneer • COBALT • HAYABUSA • HRUNTING • MELAENO • Mirage • OSTEO • Rakshasa • Orcus • Shinobi • SPI • YGGDRASIL
Armor permutations (by generation)
Supplemental equipment
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GEN2
Mark variants
Mark IV (GEN2) • Mark V (GEN2 • Alpha • Delta) • Mark VI (GEN1 • GEN2 • MOD) • Mark VII (GEN2)
Variants originating from GEN1
Air Assault • Argus • Commando • Centurion • EOD • EVA • GUNGNIR • HAZOP • ODST • Operator • Orbital • Raider • Ranger • Recon • Rogue • Scout • Security • Strider • Venator
Variants based on GEN1
New variants
Achilles • Anubis • Argonaut • Athlon • Atlas • Aviator • Barvo • Breaker • Challenger • Cinder • CIO • Copperhead • Cyclops • Cypher • Deadeye • Decimator • Defender • Dynast • Enforcer • Engineer • Fenrir • Foehammer • FOTUS • Freebooter • Goblin • Helioskrill • Hellcat • Helljumper • Hermes • Hunter • Icarus • Infiltrator • Interceptor • Jumpmaster • KEYSTONE • Legionnaire • Locus • Mako • Marauder • Maverick • Mirmillion • Nightfall • Nomad • Oceanic • Oppressor • Pathfinder • Pioneer • Prefect • Protector • Raijin • Reaper • Recluse • Recruit • Ricochet • Scanner • Seeker • Soldier • Stalker • Stinger • Teishin • Technician • Tracer • Tracker • Valkyrie • Vanguard • Vector • Venture • Viper • Void Dancer • Warrior • War Master • Wetwork
Forearms/Legs
Other
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GEN3
Mark variants
Mark V (Zeta) • Mark VI (GEN3 • MOD) • Mark VII (GEN3)
Variants based on GEN1
Variants based on GEN2
New variants
For a complete list, check out our MJOLNIR armor category.
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