Class

Each Operator in Arknights belongs to one of eight classes which determines how they function, with each class having their own branches, also colloquially referred to as archetypes or subclasses, that specializes the Operator's abilities.

• Caster
• Defender
• Guard
• Medic
• Sniper
• Specialist
• Supporter
• Vanguard

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Caster	General characteristics
	Ranged Attacks deal Arts damage Average to low HP Average to high ATK Low DEF Average RES High DP cost Low to Average ASPD
Branches
Core	Attacks one target at a time Absinthe Amiya Ceobe Durin Eyjafjalla Haze Ho'olheyak Nightmare Qanipalaat Reserve Operator - Caster Steward Tomimi
Splash	Attacks deal area-of-effect damage 12F Dusk Gitano Greyy Lava Lava the Purgatory Leonhardt Mostima Pith Santalla Skyfire
Blast	Attacks damage all enemies in a long linear range Corroserum Ifrit
Chain	Attacks jump between multiple targets and temporarily Slows them, but deals 15% less damage in each jump Astgenne Leizi Passenger Pudding
Mech-Accord	Controls a drone that attacks enemies independently, dealing more damage in successive attacks against the same target Click Goldenglow Kjera Minimalist Rockrock
Phalanx	Only attack when the skill is active, which damages all enemies in range; has greatly increased DEF and RES while the skill is not active Beeswax Carnelian Lin Mint
Mystic	Store attacks while no enemies are in range (up to 3), which are simultaneously released in the next attack Ebenholz Harmonie Indigo Iris

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Defender	General characteristics
	Melee Can block 2 or 3 enemies, except Duelist Defenders who can only block 1 enemy High HP Low to average ATK High DEF No or low RES High DP cost Average ASPD
Branches
Protector	Focuses on tanking enemy attacks Beagle Bison Bubble Cardigan Croissant Cuora Friston-3 Heavyrain Hoshiguma Matterhorn Nian Noir Corne Reserve Operator - Defender
Guardian	Can heal friendly units with skills Blemishine Gummy Hung Nearl Saria Spot
Juggernaut	Cannot be directly healed by friendlies but can heal themselves through skills and/or talents Mudrock Penance Vulcan
Arts Protector	Attack deals Arts damage while the skill is active Asbestos Czerny Dur-nar Shalem
Duelist	Can only block one enemy and only generates SP while blocking an enemy Aurora Cement Eunectes
Fortress	Uses a ranged attack with minimum range that deals area-of-effect damage when not blocking enemies Ashlock Firewhistle Horn
Sentinel Protector	Uses a ranged attack with a range of two tiles ahead that can hit flying enemies Blitz Jessica the Liberated Liskarm

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Guard	General characteristics
	Melee Can block 1 ~ 3 enemies High HP High ATK Low to average DEF No or low RES Average to high DP cost Average to high ASPD
Branches
Dreadnought	Focuses on dueling enemies one-on-one Castle-3 Conviction Flamebringer Franka Matoimaru Melantha Morgan Nearl the Radiant Knight Sharp Skadi
Centurion	Attacks hit multiple targets equal to block count Blaze Broca Estelle Gavial the Invincible Popukar Savage Specter
Lord	Has a ranged attack that deals 0.8× damage, which is used when not blocking enemies Arene Ayerscarpe Frostleaf Lappland Luo Xiaohei Midnight Qiubai SilverAsh Thorns
Arts Fighter	Attacks deal Arts damage Amiya (Guard) Astesia Mousse Sideroca Surtr
Instructor	Has a range of two tiles ahead and attacks deal 1.2× damage against enemies not blocked by self; supports friendlies with skills Bryophyta Dobermann Pallas Swire Whislash
Fighter	Has a very low attack interval Beehunter Chongyue Dagda Flint Indra Jackie Mountain
Swordmaster	Attacks deal two consecutive hits (but are still considered as one attack) Bibeak Ch'en Cutter Irene Tachanka
Musha	Cannot be directly healed by friendlies and restores slight HP in each attack Akafuyu Hellagur Rathalos S Noir Corne Utage
Liberator	Only attack and block enemies when the skill is active, and have increased ATK over time when the skill is not active (up to a limit and will be lost when the skill expires upon activation); has a range of the frontal and side tiles Młynar Tequila
Reaper	Attacks hit all enemies within a vertical range of three tiles ahead, cannot be directly healed by friendlies, and restores slight HP for every enemy hit in each attack up to the block count Executor the Ex Foedere Highmore Humus La Pluma
Crusher	Attacks hit multiple targets equal to block count and have extremely high HP and ATK, but have no defenses whatsoever and a high attack interval Quartz Wind Chimes

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Medic	General characteristics
	Ranged Heals friendly units instead of attacking enemies Low HP Average ATK Low DEF No RES Average DP cost Low ASPD
Branches
Medic	Heals one target at a time Ansel Folinic Gavial Hibiscus Kal'tsit Lancet-2 Myrrh Reserve Operator - Logistics Shining Silence Sussurro Touch Tuye Warfarin
Multi-target	Heals up to three targets simultaneously Breeze Nightingale Perfumer Ptilopsis
Therapist	Heal targets at a wide range with 80% effectiveness on further targets Ceylon Lumen Purestream Whisperain
Wandering	Can remove Elemental Damage build-up on friendlies, even if the target is at full HP, for half the ATK Chestnut Eyjafjalla the Hvít Aska Honeyberry Mulberry
Incantation	Attacks enemies instead of healing friendlies, unlike other Medics, but heals a friendly unit within range for half the ATK in each attack Hibiscus the Purifier Reed the Flame Shadow
Chain	Healing jumps between multiple targets but restores 25% less HP in each jump Paprika

[Edit]

Sniper	General characteristics
	Ranged Average HP Average to high ATK Low DEF No RES Low to high DP cost Low to high ASPD
Branches
Marksman	Attacks one target at a time and prioritizes aerial enemies Adnachiel April Archetto Ash Blue Poison Exusiai GreyThroat Insider Jessica Justice Knight Kroos Kroos the Keen Glint May Meteor Platinum Rangers Reserve Operator - Sniper Stormeye Vermeil
Artilleryman	Attacks deal area-of-effect damage Catapult Fiammetta Jieyun Meteorite Sesa Shirayuki W
Deadeye	Has a long range and attacks enemies with the lowest DEF over the others Ambriel Andreana Fartooth Firewatch Lunacub
Heavyshooter	Has a short range but high ATK Aciddrop Melanite Pozëmka Provence Schwarz
Spreadshooter	Attacks damage all enemies in range with those in the frontal row taking 1.5× damage Aosta Ch'en the Holungday Executor Pinecone
Besieger	Has a minimum range of the frontal tiles and attacks enemies with the highest weight over the others Erato Rosa Toddifons Totter Typhon
Flinger	Attacks deal two consecutive hits with the second dealing half damage and can only target ground enemies Greyy the Lightningbearer Rosmontis Terra Research Commission
Hunter	Only attacks while having ammunition which deals 1.2× damage. Ammunition is reloaded over time while no enemies are in range Coldshot

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Specialist	General characteristics
	Melee/Ranged The trait or skills define primary function Can block 0 to 2 enemies Average HP Average ATK Average DEF No to low RES Low to average DP cost Low to high ASPD
Branches
Push Stroker	Melee, but can be deployed on ranged tiles; can push away enemies with skills and attacks hit multiple targets equal to block count Enforcer FEater Shaw Weedy
Hookmaster	Melee, but can be deployed on ranged tiles; can pull in enemies with skills and has a range of several tiles ahead Almond Cliffheart Gladiia Rope Snowsant
Executor	Melee; has a much shorter redeployment time of 18 seconds (with the sole exception to THRM-EX) Gravel Kafka Kirin R Yato Phantom Projekt Red THRM-EX Texas the Omertosa Waai Fu
Ambusher	Melee; attacks hit all enemies in range, can dodge Physical and Arts attacks 50% at the time, and have Negative Taunt (less likely to be attacked by enemies) Ethan Kirara Manticore Mizuki
Geek	Ranged; causes "friendly fire" to buff friendlies and degenerates HP over time Aak Spuria
Merchant	Melee; has a shorter redeployment time of 25 seconds but drains 3 DP every 3 seconds while deployed and will be automatically retreated if there are not enough DP, and does not return DP when retreated Jaye Lee Mr. Nothing Swire the Elegant Wit
Trapmaster	Ranged; can use traps which must be deployed on tiles without enemies Dorothy Frost Robin
Dollkeeper	Melee; temporarily replaced by a Substitute which cannot block enemies upon losing all HP, but must be redeployed if the Substitute is knocked out Bena Kazemaru Specter the Unchained

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Supporter	General characteristics
	Ranged Attacks deal Arts damage The trait, skills, and/or talents provide offensive and/or defensive support Low HP Average ATK Low DEF Average RES Low to average DP cost Average ASPD
Branches
Decel Binder	Attacks temporarily Slow enemies Angelina Earthspirit Glaucus Istina Orchid Podenco Proviso Suzuran
Summoner	Can utilize summons Deepcolor Ling Magallan Mayer Scene
Hexer	Weaken enemies' defensive and/or offensive capabilities Gnosis Pramanix Shamare
Bard	Does not attack but continuously heal friendlies within range; can Inspire friendlies but are unaffected by Inspiration (including from themselves) Heidi Skadi the Corrupting Heart Sora U-Official
Abjurer	Augments the defensive capabilities of friendly units and heals friendlies instead of attacking enemies for 0.75× ATK while the skill is active Nine-Colored Deer Quercus Silence the Paradigmatic Tsukinogi
Artificer	Melee and attacks deal Physical damage, unlike other Supporters; can utilize Support Devices to augment friendlies Roberta Stainless Windflit
Ritualist	Can inflict Elemental Damage on enemies Valarqvin

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Vanguard	General characteristics
	Melee/Ranged The trait or skills allow additional DP generation Can block 1 or 2 enemies Average HP Average ATK Average DEF No RES Low DP cost High ASPD
Branches
Pioneer	Steadily generate DP with skills Chiave Courier Fang Flametail Poncirus Reserve Operator - Melee Saga Scavenger Siege Texas Tulip Vanilla Yato Zima
Charger	Generates 1 DP when defeating an enemy and refunds the base DP cost when retreated Bagpipe Grani Plume Reed Vigna Wild Mane
Standard Bearer	Rapidly generate DP with skills but can neither attack nor block enemies while the skill is active Elysium Myrtle Saileach
Tactician	Ranged, unlike other Vanguards; can deploy a Reinforcement within attack range and attacks deal 1.5× damage against enemies being blocked by the Reinforcement(s) Beanstalk Blacknight Muelsyse Vigil
Agent	Has a shorter redeployment time of 35 seconds and a range of two tiles ahead, and generate DP in each attack while the skill is active Cantabile Ines Puzzle

See also

• Operator