Class

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

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

Caster	General characteristics
	Ranged Attacks deal Arts damage Average to low HP Average to high ATK Low DEF Average RES High DP cost Low ASPD
Branches
Core	Attacks one target at a time Absinthe Amiya Ceobe Durin Eyjafjalla Haze Nightmare Reserve Operator - Caster Steward Tomimi
Splash	Attacks deal area-of-effect damage 12F Dusk Gitano Greyy Lava Lava the Purgatory Leonhardt Mostima Pith Skyfire
Mystic	Store attacks while no enemies are in range; releases all attacks simultaneously when an enemy comes into range Indigo Iris
Mech-Accord	Controls a drone that attacks enemies independently, dealing more damage in successive attacks if both the Mech-Accord Caster and their drone attacks the same target Click Kjera
Chain	Attacks jump between multiple targets and slows them, but deals less damage in each jump Leizi Passenger Pudding
Blast	Attacks damage all enemies in a long linear range Corroserum Ifrit
Phalanx	Only attack when the skill is active, which damages all enemies in range; gains greatly increased DEF and RES while the skill is not active Beeswax Carnelian Mint

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 Blitz Bubble Cardigan Croissant Cuora Heavyrain Hoshiguma Liskarm Matterhorn Nian Noir Corne
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 Vulcan
Arts Protector	Attack deals Arts damage while the skill is active Asbestos Dur-nar Shalem
Duelist	Can only block one enemy; SP only generates while blocking an enemy Aurora Eunectes
Fortress	Uses a short-ranged attack that deals area-of-effect damage when not blocking enemies Ashlock

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 Nearl the Radiant Knight Sharp Skadi
Centurion	Attacks hit multiple targets equal to block count Blaze Broca Estelle Popukar Savage Specter
Lord	Has a ranged attack that deals 80% damage, which is used when not blocking enemies Arene Ayerscarpe Frostleaf Lappland Midnight SilverAsh Thorns
Arts Fighter	Attacks deal Arts damage Amiya (Guard) Astesia Mousse Sideroca Surtr
Fighter	Has a very low attack interval Beehunter Flint Indra Jackie Mountain
Swordmaster	Attacks deliver two consecutive hits (but are still considered as one attack) Bibeak Ch'en Cutter Tachanka
Musha	Cannot be directly healed by friendlies; restores slight HP in each attack Akafuyu Hellagur Utage
Instructor	Has a range of two tiles ahead and attack deals 1.2× damage against enemies not blocked by self; supports friendlies with skills Dobermann Pallas Swire Whislash
Liberator	Only attack and block enemies when the skill is active, and gradually gains more ATK 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 Tequila
Reaper	Attacks hit all enemies within a vertical range of three tiles ahead and cannot be directly healed by friendlies; restores slight HP for every enemy hit in each attack which are limited to the block count La Pluma

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	Heals targets at a wide range with 70% effectiveness on further targets Ceylon Purestream Whisperain
Wandering	Can heal Elemental Damage suffered by friendlies (even if the target is at full HP) Honeyberry Mulberry

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 targeting aerial enemies over ground ones Adnachiel April Archetto Ash Blue Poison Exusiai GreyThroat Jessica Justice Knight Kroos May Meteor Platinum Rangers Reserve Operator - Sniper Stormeye Vermeil
Artilleryman	Attacks deal area-of-effect damage Catapult Meteorite Sesa ShiraYuki W
Heavyshooter	Has a short attack range but high ATK Aciddrop Provence Schwarz
Deadeye	Has a long attack range and prioritizes targeting enemies with the lowest DEF over the others Ambriel Andreana Fartooth Firewatch
Besieger	Has a minimum range of the frontal tiles and prioritizes targeting enemies with the highest weight first Rosa Toddifons
Flinger	Attacks deal two consecutive hits with the second dealing half damage; can only attack ground enemies Rosmontis
Spreadshooter	Attacks damage all enemies in range, with those in the row ahead taking 1.5× damage Aosta Ch'en the Holungday Executor Pinecone

Specialist	General characteristics
	Melee/Ranged The trait or skills define primary function Can block 2 enemies, except Ambusher Specialists who cannot block enemies on their own Average HP Average ATK Average DEF No to low RES Low to average DP cost Average ASPD
Branches
Push Stroker	Melee, but can be deployed on ranged tiles; can push away enemies with skills, attacks hit multiple targets equal to block count FEater Shaw Weedy
Hookmaster	Melee, but can be deployed on ranged tiles; can pull in enemies with skills, has a range of several tiles ahead Cliffheart Gladiia Rope Snowsant
Executor	Melee; has a much shorter redeployment cooldown of 18 seconds (with the sole exception to THRM-EX) Gravel Kafka Phantom Projekt Red THRM-EX Waai Fu
Merchant	Melee; has a shorter redeployment cooldown of 25 seconds but drains 3 DP every 3 seconds while deployed and will be automatically depleted if there are not enough DP; does not return DP when retreated Jaye Mr. Nothing
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
Ambusher	Melee; attacks hit all surrounding enemies, can dodge physical and Arts attacks 50% at the time, and less likely to be targeted by enemies Ethan Kirara Manticore Mizuki
Trapmaster	Ranged; can use traps which must be deployed on tiles without enemies Frost Robin
Geek	Ranged; causes "friendly fire" to buff friendlies and degenerates HP over time Aak

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 briefly slow enemies Angelina Earthspirit Glaucus Istina Orchid Podenco Suzuran
Bard	Has no attack and RES but continuously heal friendlies within range; can augment friendlies or cripple enemies Skadi the Corrupting Heart Sora
Abjurer	Augments the defense and survivability of friendly units Nine-Colored Deer Tsukinogi
Hexer	Amplifies the damage taken by enemies and/or cripples their offensive capability Gnosis Pramanix Shamare
Summoner	Can utilize summoned units Deepcolor Magallan Mayer Scene
Artificer	Melee and attacks deal physical damage, unlike other Supporters; can utilize Support Devices to augment friendlies Roberta

Vanguard	General characteristics
	Melee 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 Average ASPD
Branches
Charger	Generates 1 DP in each kill and refunds all of the DP cost when retreated Bagpipe Grani Plume Reed Vigna Wild Mane
Pioneer	Steadily generate DP with skills Chiave Courier Fang Flametail Reserve Operator - Melee Saga Scavenger Siege Texas Vanilla Yato Zima
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 range and attacks deal 1.5× damage against enemies being blocked by the reinforcement(s) Beanstalk

See also

• Operator