Arknights · operator

Stainless

Stainlessステインレス스테인리스

★★★★★★Supporter Artificer Melee

Unchanged since July 16, 2026

Deployment

DP cost19

Block2

Redeploy (s)70

Stats Stats at any level →

HP2,723

ATK593

DEF421

RES0

Attack interval (s)1.5

Skills

Extreme FirepowerS1 · Manual · Per second · SP 45 · Initial 20 · 20s · Lv.10

When this skill is equipped: Device gives an ally Operator ATK +12% When activated, immediately gain a device. Attacks deal 200% of ATK as Physical damage, and device effects increase by 4x All active devices are destroyed when skill expires

Drag to see per-level scaling

Efficient ResupplyS2 · Manual · Per second · SP 50 · Initial 25 · 30s · Lv.10

When this skill is equipped: Device gives an ally Operator 1 SP every 3.5s. ATK+60%, DEF +60%, and attack all blocked enemies. Device boosted to grant 1SP every 2s, but HP loss is doubled. Gain 1 device when skill expires

Drag to see per-level scaling

Prototype of Feist's Metal CrabS3 · Manual · Per second · SP 35 · Initial 20 · 30s · Lv.10

When this skill is equipped: Device can be attacked by allied Operators, but does not take damage. Can deal area Physical damage with its skill, but loses HP When activated, immediately gain a device, ATK +55%, ASPD +55

Drag to see per-level scaling

Talents · Signature passive abilities

Battlefield Engineer

Can carry 3 (deploy up to 2), with different effects depending on Skill

Cost Cutting

Stainless has a 80%(+10%) chance to recycle a device if it is destroyed within the 8 tiles surrounding him

Potentials · Potential-rank bonuses

Potential 2DP Cost -1Potential 3Redeployment Time -6 secPotential 4ATK +25Potential 5Improves Second TalentPotential 6DP Cost -1

Modules · Elite-2 equipment

FMC-CrawlerCRA-XHighbury ImprintCRA-Y

Recruitment tags

Top OperatorMeleeSupporterSupportDPS

Profile

RaceFeline

Place of birthVictoria

Date of birthApr 11

Height178cm

Combat experience1 Year

Stainless, a mechanical engineer and the leader of Squad 11 of the Londinium Citizens' Self-Salvation Corps. After fighting together with Rhodes Island during the Londinium incident, he signed a long-term cooperation agreement with Rhodes Island and currently participates as an engineer in various operations across Victoria.