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Rossi, Physical Guard operator | Arknights: Endfield

Endfield Industries

Rossi

Build guide · Arknights: Endfield

6-star
PhysicalGuardSwordMain DPS

English voice: Giada Sabellico

The best Rossi build in Arknights: Endfield (Version 1.6) is Lupine Scarlet with MI Security. Updated

Key facts

Rossi is a 6-star Physical Guard operator from Endfield Industries, wielding a Sword. Main DPS / Support / Sustain build, skill scalings, promotion and…

Rarity
6★
Attribute
Physical
Class
Guard
Weapon type
Sword
Faction
Endfield Industries
Released
Version 1.1 · 2026-03-29
Best weapon
Lupine Scarlet
Core set
MI Security
Tier list
T0

Arknights: Endfield 6★ Physical Guard Main DPS

Rossi build summary

Updated November 6, 2026

Lupine Scarlet tops the weapon ranking for Rossi, at 100.00% relative damage at P0 in the solo column, ahead of Glorious Memory, Sundering Steel and Umbral Torch. That order is prydwen.gg's, measured in play and condensed to a sentence each; every row of it sits under Weapons below.

Run MI Security on Rossi.

Skill priority is ULTIMATE > COMBO SKILL > BASIC ATTACK >= BATTLE SKILL. The Ultimate costs 110 Ultimate Energy, which is what an Ultimate Gain Efficiency target has to clear.

The strongest team is Rossi, Perlica, Tangtang and Gilberta, built around Rossi: Arts · Ultimate burst.

Role
Main DPS / Support / Sustain
Best weapon
Lupine Scarlet
Gear set
MI Security
Skill priority
ULTIMATE > COMBO SKILL > BASIC ATTACK >= BATTLE SKILL
Best team
Rossi, Perlica, Tangtang, Gilberta
Ultimate Energy cost
110 Ultimate Energy
Key promotion material
8× Cosmagaric
Last updated
November 6, 2026
Full Rossi build: weapons, gear and teams

Skills

Rossi Seething Wolfblood, Basic Attack icon | Arknights: Endfield
Basic

Seething Wolfblood

BASIC ATTACK: An attack with up to 5 sequences that deals Physical DMG. As the controlled operator, Final Strike also deals 18 Stagger. DIVE ATTACK: Basic attack performed in mid-air becomes a dive attack that deals Physical DMG to nearby enemies. FINISHER: Basic attack performed near a Staggered enemy becomes a finisher attack that deals massive Physical DMG and recovers some SP.

Skill level

BATK SEQ 1 Multiplier
61%
BATK SEQ 2 Multiplier
71%
BATK SEQ 3 Multiplier
77%
BATK SEQ 4 Multiplier
91%
BATK SEQ 5 Multiplier
113%
Finisher ATK Multiplier
900%
Dive ATK Multiplier
180%
All 12 levels
Scaling123456789101112
BATK SEQ 1 Multiplier27%30%32%35%38%41%43%46%49%52%56%61%
BATK SEQ 2 Multiplier32%35%38%41%44%47%50%54%57%61%65%71%
BATK SEQ 3 Multiplier34%37%41%44%48%51%54%58%61%65%71%77%
BATK SEQ 4 Multiplier41%45%49%53%57%61%65%69%73%78%84%91%
BATK SEQ 5 Multiplier50%55%60%65%70%75%80%85%90%96%104%113%
Finisher ATK Multiplier400%440%480%520%560%600%640%680%720%770%830%900%
Dive ATK Multiplier80%88%96%104%112%120%128%136%144%154%166%180%
Rossi Crimson Shadow, Battle Skill icon | Arknights: Endfield
Skill

Crimson Shadow

  • Rossi gains up to an additional 10 Ultimate Energy if the second sequence hits an enemy.
  • 100 SP

Charges to the target to deal Physical DMG and apply Lift. If the target already has Vulnerability stack(s), the skill also unleashes a Wolven Ambrage that charges at the target to deal Heat DMG.

Skill level

SP Cost
100
SEQ 1 DMG Multiplier
192%
SEQ 1 Stagger
5
SEQ 2 DMG Multiplier
288%
SEQ 2 Stagger
15
All 12 levels
Scaling123456789101112
SP Cost100100100100100100100100100100100100
SEQ 1 DMG Multiplier85%94%102%111%119%128%137%145%154%164%177%192%
SEQ 1 Stagger555555555555
SEQ 2 DMG Multiplier128%141%153%166%179%192%204%217%230%246%265%288%
SEQ 2 Stagger101010101010101012121215
Rossi Moment of Blazing Shadow, Combo Skill icon | Arknights: Endfield
Combo

Moment of Blazing Shadow

  • Rossi immediately gains the Critical Rate and Critical DMG buffs after casting the second combo sequence, without consuming any Arts Inflictions. Also, the second sequence will only apply 1 more stack of Vulnerability if it consumes any Arts Inflictions and is cast with perfect timing. Merely casting it with perfect timing is not enough.
  • 15s cooldown

Rossi's combo skill has 2 consecutive sequences. COMBO SEQUENCE 1 deals Physical DMG to the target. COMBO SEQUENCE 2 consumes all Arts Infliction stacks from the target, deals Physical DMG based on the number of Arts Infliction stacks consumed, applies 1 instance of Lift, and buffs Rossi's Critical Rate and Critical DMG Dealt at the same time. If COMBO SEQUENCE 2 is cast with perfect timing, it applies 1 more stack of Vulnerability. Trigger: When an enemy has both Vulnerability and Arts Infliction stacks.

Skill level

Cooldown
0
SEQ 1 DMG Multiplier
150%
SEQ 1 Ultimate Energy Gain
10
SEQ 2 DMG Multiplier
300%
Bonus DMG Multiplier per Infliction Stack
180%
SEQ 2 Stagger
5
Critical Rate
25%
Critical DMG Boost
50%
Buff Duration (s)
15
SEQ 2 Ultimate Energy Gain
10
All 24 levels
Scaling123456789101112131415161718192021222324
Cooldown151515151515151515151514000000000000
SEQ 1 DMG Multiplier67%73%80%87%93%100%107%113%120%128%138%150%
SEQ 1 Ultimate Energy Gain101010101010101010101010
SEQ 2 DMG Multiplier133%147%160%173%187%200%213%227%240%257%277%300%
Bonus DMG Multiplier per Infliction Stack80%88%96%104%112%120%128%136%144%154%166%180%
SEQ 2 Stagger555555555555
Critical Rate15%15%15%17%17%17%19%19%21%21%23%25%
Critical DMG Boost30%30%30%34%34%34%38%38%42%42%46%50%
Buff Duration (s)151515151515151515151515
SEQ 2 Ultimate Energy Gain101010101010101010101010
Rossi "Razorclaw" Ambuscade, Ultimate icon | Arknights: Endfield
Ultimate

"Razorclaw" Ambuscade

  • 110 Ultimate Energy

Rossi flutters her cape and unleashes a flurry of stabs that quickly deals multiple sequences of Heat DMG to the target. She then performs a two-sequence slash attack with her dagger that deals massive Heat DMG and applies Heat Infliction. When this skill successfully scores a critical hit, it deals higher Critical DMG.

Skill level

Ultimate Energy Cost
110
Stab Attack Total DMG Multiplier
600%
SEQ 1 Slash DMG Multiplier
250%
SEQ 2 Slash DMG Multiplier
750%
Stagger
25
Critical DMG Boost
60%
All 12 levels
Scaling123456789101112
Ultimate Energy Cost110110110110110110110110110110110110
Stab Attack Total DMG Multiplier275%300%325%350%375%400%425%450%475%525%550%600%
SEQ 1 Slash DMG Multiplier111%122%133%144%156%167%178%189%200%214%231%250%
SEQ 2 Slash DMG Multiplier333%367%400%433%467%500%534%567%600%642%692%750%
Stagger252525252525252525252525
Critical DMG Boost60%60%60%60%60%60%60%60%60%60%60%60%

Talents

  1. Rossi Skirmisher, talent icon | Arknights: EndfieldElite 1

    Skirmisher

    1. Elite 1

      Operator Agility +10.

    2. Elite 2

      Operator Agility +15.

    3. Elite 3

      Operator Agility +15.

    4. Elite 4

      Operator Agility +20.

  2. Rossi Nicks and Scratches, talent icon | Arknights: EndfieldElite 1

    Nicks and Scratches

    1. Elite 1

      Battle skill improved: After Wolven Ambrage deals DMG, Rossi applies Razor Clawmark to the target for 15s. This effect cannot stack. For the duration of Razor Clawmark, the target takes 25% ATK (Rossi's) of Physical DMG per second and suffers Physical DMG Taken and Heat DMG Taken +6%.

    2. Elite 2

      Battle skill improved: After Wolven Ambrage deals DMG, Rossi applies Razor Clawmark to the target for 25s. This effect cannot stack. For the duration of Razor Clawmark, the target takes 30% ATK (Rossi's) of Physical DMG per second and suffers Physical DMG Taken and Heat DMG Taken +12%.

  3. Rossi Seething Blood, talent icon | Arknights: EndfieldElite 2

    Seething Blood

    1. Elite 2

      When Rossi's skill deals Critical DMG to a Razor Clawmarked enemy, trigger another hit that deals 12% ATK (Rossi's) of Heat DMG and restores [Intellect × 0.04] HP to Rossi. If the target is also Combusted, then the aforementioned DMG and HP Restoration effects are increased to 1.5 times.

    2. Elite 3

      When Rossi's skill deals Critical DMG to a Razor Clawmarked enemy, trigger another hit that deals 24% ATK (Rossi's) of Heat DMG and restores [Intellect × 0.08] HP to Rossi. If the target is also Combusted, then the aforementioned DMG and HP Restoration effects are increased to 1.5 times.

  4. Rossi Outfitting, talent icon | Arknights: EndfieldElite 1

    Outfitting

    1. Elite 1

      Activate this to let the operator equip blue quality gear

    2. Elite 2

      Activate this to let the operator equip purple quality gear

    3. Elite 3

      Activate this to let the operator equip gold quality gear

Stat talent

Agility
60

Skirmisher at full unlock, summed across every tier. Elite rank gates the tiers as it gates the talents above.

Potentials

  1. Rossi P1 Origin of Admiration, Potential | Arknights: EndfieldP1

    Origin of Admiration

    Battle skill Crimson Shadow and combo skill Moment of Blazing Shadow improved: The DMG Multipliers of these skills are increased to 1.15 times of the original. Wolven Ambrage of the battle skill also returns 10 SP after hitting the enemy.

  2. Rossi P2 Gap to Perfection, Potential | Arknights: EndfieldP2

    Gap to Perfection

    Agility +20, Critical Rate +7%.

  3. Rossi P3 Tangible Duties, Potential | Arknights: EndfieldP3

    Tangible Duties

    Talent Seething Blood improved: When triggered, it grants Base DMG Multiplier +8% and restores HP +[lntellect x 0.04].

  4. Rossi P4 Innocent Wish, Potential | Arknights: EndfieldP4

    Innocent Wish

    Ultimate "Razorclaw" Ambuscade improved: Ultimate Energy cost -15%.

  5. Rossi P5 Legendary Destination, Potential | Arknights: EndfieldP5

    Legendary Destination

    Ultimate "Razorclaw" Ambuscade improved: DMG Multiplier is increased to 1.1 times of the original; Critical DMG Dealt is increased by +30%.

Full bill

Level 90 and every skill at 12

814,900

T-Creds 15 material lines

Elite 4 and level 90

126,100

T-Creds 7 materials · 4 steps

All 4 skills at 12

688,800

T-Creds 4× the single-skill bill

Elite promotion

  1. Elite 1
    Pink Bolete, promotion material | Arknights: EndfieldPink Bolete ×3
    Protodisk, promotion material | Arknights: EndfieldProtodisk ×8

    1,600T-Creds

  2. Elite 2
    Red Bolete, promotion material | Arknights: EndfieldRed Bolete ×5
    Protodisk, promotion material | Arknights: EndfieldProtodisk ×25

    6,500T-Creds

  3. Elite 3
    Protoset, promotion material | Arknights: EndfieldProtoset ×24
    Ruby Bolete, promotion material | Arknights: EndfieldRuby Bolete ×5

    18,000T-Creds

  4. Elite 4
    Cosmagaric, promotion material | Arknights: EndfieldCosmagaric ×8
    Quadrant Fitting Fluid, promotion material | Arknights: EndfieldQuadrant Fitting Fluid ×20
    Protoset, promotion material | Arknights: EndfieldProtoset ×36

    100,000T-Creds

Total to level 90

126,100 T-Creds

Cosmagaric, promotion material | Arknights: EndfieldCosmagaric ×8
Quadrant Fitting Fluid, promotion material | Arknights: EndfieldQuadrant Fitting Fluid ×20
Pink Bolete, promotion material | Arknights: EndfieldPink Bolete ×3
Protoset, promotion material | Arknights: EndfieldProtoset ×60
Red Bolete, promotion material | Arknights: EndfieldRed Bolete ×5
Ruby Bolete, promotion material | Arknights: EndfieldRuby Bolete ×5
Protodisk, promotion material | Arknights: EndfieldProtodisk ×33

Skill materials

  1. → 2
    Kalkodendra, promotion material | Arknights: EndfieldKalkodendra ×1
    Protoprism, promotion material | Arknights: EndfieldProtoprism ×6

    1,000T-Creds

  2. → 3
    Kalkodendra, promotion material | Arknights: EndfieldKalkodendra ×2
    Protoprism, promotion material | Arknights: EndfieldProtoprism ×12

    2,700T-Creds

  3. → 4
    Chrysodendra, promotion material | Arknights: EndfieldChrysodendra ×1
    Protoprism, promotion material | Arknights: EndfieldProtoprism ×16

    3,200T-Creds

  4. → 5
    Chrysodendra, promotion material | Arknights: EndfieldChrysodendra ×1
    Protoprism, promotion material | Arknights: EndfieldProtoprism ×21

    4,200T-Creds

  5. → 6
    Chrysodendra, promotion material | Arknights: EndfieldChrysodendra ×2
    Protoprism, promotion material | Arknights: EndfieldProtoprism ×27

    5,400T-Creds

  6. → 7
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×6
    Vitrodendra, promotion material | Arknights: EndfieldVitrodendra ×1

    8,200T-Creds

  7. → 8
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×8
    Vitrodendra, promotion material | Arknights: EndfieldVitrodendra ×1

    10,500T-Creds

  8. → 9
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×15
    Vitrodendra, promotion material | Arknights: EndfieldVitrodendra ×2

    18,000T-Creds

  9. → 10
    False Aggela, promotion material | Arknights: EndfieldFalse Aggela ×3
    Mark of Perseverance, promotion material | Arknights: EndfieldMark of Perseverance ×1
    Metadiastima Photoemission Tube, promotion material | Arknights: EndfieldMetadiastima Photoemission Tube ×6
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×15

    24,000T-Creds

  10. → 11
    False Aggela, promotion material | Arknights: EndfieldFalse Aggela ×6
    Mark of Perseverance, promotion material | Arknights: EndfieldMark of Perseverance ×2
    Metadiastima Photoemission Tube, promotion material | Arknights: EndfieldMetadiastima Photoemission Tube ×16
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×24

    30,000T-Creds

  11. → 12
    False Aggela, promotion material | Arknights: EndfieldFalse Aggela ×12
    Mark of Perseverance, promotion material | Arknights: EndfieldMark of Perseverance ×3
    Metadiastima Photoemission Tube, promotion material | Arknights: EndfieldMetadiastima Photoemission Tube ×36
    Protohedron, promotion material | Arknights: EndfieldProtohedron ×50

    65,000T-Creds

One skill at 12

172,200 T-Creds

False Aggela, promotion material | Arknights: EndfieldFalse Aggela ×21
Mark of Perseverance, promotion material | Arknights: EndfieldMark of Perseverance ×6
Metadiastima Photoemission Tube, promotion material | Arknights: EndfieldMetadiastima Photoemission Tube ×58
Chrysodendra, promotion material | Arknights: EndfieldChrysodendra ×4
Kalkodendra, promotion material | Arknights: EndfieldKalkodendra ×3
Protohedron, promotion material | Arknights: EndfieldProtohedron ×118
Vitrodendra, promotion material | Arknights: EndfieldVitrodendra ×4
Protoprism, promotion material | Arknights: EndfieldProtoprism ×82

All 4 skills at 12

688,800 T-Creds

False Aggela, promotion material | Arknights: EndfieldFalse Aggela ×84
Mark of Perseverance, promotion material | Arknights: EndfieldMark of Perseverance ×24
Metadiastima Photoemission Tube, promotion material | Arknights: EndfieldMetadiastima Photoemission Tube ×232
Chrysodendra, promotion material | Arknights: EndfieldChrysodendra ×16
Kalkodendra, promotion material | Arknights: EndfieldKalkodendra ×12
Protohedron, promotion material | Arknights: EndfieldProtohedron ×472
Vitrodendra, promotion material | Arknights: EndfieldVitrodendra ×16
Protoprism, promotion material | Arknights: EndfieldProtoprism ×328

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