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Ardelia, Nature Supporter operator | Arknights: Endfield

Rhodes Island

Ardelia

Build guide · Arknights: Endfield

6-star
NatureSupporterArts UnitSupport

English voice: Lindsay Sheppard

The best Ardelia build in Arknights: Endfield (Version 1.6) is Dreams of the Starry Beach with Eternal Xiranite. Updated

Key facts

Ardelia is a 6-star Nature Supporter operator from Rhodes Island, wielding a Arts Unit. Support / Sustain build, skill scalings, promotion and skill…

Rarity
6★
Attribute
Nature
Class
Supporter
Weapon type
Arts Unit
Faction
Rhodes Island
Released
Version 1.0 · 2026-01-22
Best weapon
Dreams of the Starry Beach
Core set
Eternal Xiranite
Tier list
T0.5

Arknights: Endfield 6★ Nature Supporter Support

Ardelia build summary

Updated November 6, 2026

Dreams of the Starry Beach tops the weapon ranking for Ardelia at P0, ahead of Stanza of Memorials. That order is prydwen.gg's, measured in play and condensed to a sentence each; every row of it sits under Weapons below.

Run Eternal Xiranite on Ardelia.

Skill priority is BATTLE SKILL > COMBO SKILL > ULTIMATE = BASIC ATTACK. The Ultimate costs 90 Ultimate Energy, which is what an Ultimate Gain Efficiency target has to clear.

Ardelia plays Supporter · HP treatment in the Mi Fu team, alongside Mi Fu, Chen Qianyu and Pogranichnik.

Role
Support / Sustain
Gear set
Eternal Xiranite
Skill priority
BATTLE SKILL > COMBO SKILL > ULTIMATE = BASIC ATTACK
Best team
Mi Fu, Chen Qianyu, Pogranichnik, Ardelia
Ultimate Energy cost
90 Ultimate Energy
Key promotion material
8× Cosmagaric
Last updated
November 6, 2026
Full Ardelia build: weapons, gear and teams

Skills

Ardelia Rocky Whispers, Basic Attack icon | Arknights: Endfield
Basic

Rocky Whispers

BASIC ATTACK: An attack with up to 4 sequences that deals Nature 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 Nature DMG to nearby enemies. FINISHER: Basic attack performed near a Staggered enemy becomes a finisher attack that deals massive Nature DMG and recovers some SP.

Skill level

BATK SEQ 1 Multiplier
68%
BATK SEQ 2 Multiplier
90%
BATK SEQ 3 Multiplier
118%
BATK SEQ 4 Multiplier
124%
Finisher ATK Multiplier
900%
Dive ATK Multiplier
180%
All 12 levels
Scaling123456789101112
BATK SEQ 1 Multiplier30%33%36%39%42%45%48%51%54%58%62%68%
BATK SEQ 2 Multiplier40%44%48%52%56%60%64%68%72%77%83%90%
BATK SEQ 3 Multiplier53%58%63%68%74%79%84%89%95%101%109%118%
BATK SEQ 4 Multiplier55%61%66%72%77%83%88%94%99%106%114%124%
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%
Ardelia Dolly Rush, Battle Skill icon | Arknights: Endfield
Skill

Dolly Rush

  • 100 SP

Hops on Mr. Dolly and rams the target to deal Nature DMG. If the target has Corrosion, then consume the Corrosion and apply Physical Susceptibility and Arts Susceptibility to the target.

Skill level

SP Cost
100
DMG Multiplier
320%
Stagger
10
Susceptibility
20%
Susceptibility Duration (s)
30
All 12 levels
Scaling123456789101112
SP Cost100100100100100100100100100100100100
DMG Multiplier142%156%171%185%199%213%228%242%256%274%295%320%
Stagger101010101010101010101010
Susceptibility12%12%12%13%13%13%14%14%16%17%18%20%
Susceptibility Duration (s)303030303030303030303030
Ardelia Eruption Column, Combo Skill icon | Arknights: Endfield
Combo

Eruption Column

  • 18s cooldown

Launches a homing Volcanic Cloud at a target enemy that deals Nature DMG when close enough to the target. The Volcanic Cloud explodes after a short delay, dealing half of the Nature DMG and forcibly applying temporary Corrosion to nearby enemies. Trigger: When the controlled operator performs a Final Strike on an enemy with no stacks of Vulnerability or Arts Infliction.

Skill level

Cooldown
17
DMG Multiplier
100%
Explosion DMG Multiplier
250%
Stagger
10
Corrode Duration (s)
7
Ultimate Energy Gain
10
All 12 levels
Scaling123456789101112
Cooldown181818181818181818181817
DMG Multiplier45%49%54%58%62%67%71%76%80%86%93%100%
Explosion DMG Multiplier111%122%133%144%155%167%178%189%200%214%230%250%
Stagger101010101010101010101010
Corrode Duration (s)777777777777
Ultimate Energy Gain101010101010101010101010
Ardelia Wooly Party, Ultimate icon | Arknights: Endfield
Ultimate

Wooly Party

  • 90 Ultimate Energy

Ardelia enters a mobile channeling state and summons the aid of Mr. Dolly. Multiple copies of Mr. Dolly are thrown in random directions. Each copy deals Nature DMG. Each enemy can only take 1 damaging hit every 0.3s.

Skill level

Ultimate Energy Cost
90
DMG Multiplier
165%
Stagger
3
Duration (s)
3
All 12 levels
Scaling123456789101112
Ultimate Energy Cost909090909090909090909090
DMG Multiplier73%81%88%95%103%110%117%125%132%141%152%165%
Stagger222222222333
Duration (s)333333333333

Talents

  1. Ardelia Keen Mind, talent icon | Arknights: EndfieldElite 1

    Keen Mind

    1. Elite 1

      Operator Intellect +10.

    2. Elite 2

      Operator Intellect +15.

    3. Elite 3

      Operator Intellect +15.

    4. Elite 4

      Operator Intellect +20.

  2. Ardelia Friendly Presence, talent icon | Arknights: EndfieldElite 0

    Friendly Presence

    1. Elite 0

      The battle skill Dolly Rush creates 3 Shadows of Mr. Dolly after hitting the enemy. The copies of Mr. Dolly scattered by the ultimate Wooly Party also have a 10% chance to create Shadows of Mr. Dolly when they fall to the ground. When the controlled operator touches a Shadow of Mr. Dolly, Ardelia restores the said operator's HP by [45 + Will×0.38]. If the controlled operator is already at max HP, then restore the HP of the teammate with lowest percentage HP. Shadows of Mr. Dolly last for 10s and up to 10 can exist in the battlefield.

    2. Elite 1

      The battle skill Dolly Rush creates 3 Shadows of Mr. Dolly after hitting the enemy. The copies of Mr. Dolly scattered by the ultimate Wooly Party also have a 10% chance to create Shadows of Mr. Dolly when they fall to the ground. When the controlled operator touches a Shadow of Mr. Dolly, Ardelia restores the said operator's HP by [63 + Will×0.53]. If the controlled operator is already at max HP, then restore the HP of the teammate with lowest percentage HP. Shadows of Mr. Dolly last for 10s and up to 10 can exist in the battlefield.

    3. Elite 2

      The battle skill Dolly Rush creates 3 Shadows of Mr. Dolly after hitting the enemy. The copies of Mr. Dolly scattered by the ultimate Wooly Party also have a 10% chance to create Shadows of Mr. Dolly when they fall to the ground. When the controlled operator touches a Shadow of Mr. Dolly, Ardelia restores the said operator's HP by [90 + Will×0.75]. If the controlled operator is already at max HP, then restore the HP of the teammate with lowest percentage HP. Shadows of Mr. Dolly last for 10s and up to 10 can exist in the battlefield.

  3. Ardelia Mountainpeak Surfer, talent icon | Arknights: EndfieldElite 2

    Mountainpeak Surfer

    1. Elite 2

      Battle skill Dolly Rush improved: Triggering the additional effect while an enemy with Corrosion is nearby immediately casts the battle skill again. This effect can only trigger once per active battle skill casting.

  4. Ardelia 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

Intellect
60

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

Potentials

  1. Ardelia P1 Dolly Paradise, Potential | Arknights: EndfieldP1

    Dolly Paradise

    Battle skill Dolly Rush improved: Consuming Corrosion now applies Physical Susceptibility and Arts Susceptibility with effects +8%.

  2. Ardelia P2 Game Rewards, Potential | Arknights: EndfieldP2

    Game Rewards

    Talent Friendly Presence improved: When the controlled operator touches the Shadow of Mr. Dolly, Ardelia also treats another allied operator with the lowest percentage HP with half of the treatment effects.

  3. Ardelia P3 Explosive Eruption, Potential | Arknights: EndfieldP3

    Explosive Eruption

    Ultimate Wooly Party improved: Duration +1s; chance to create Shadow of Mr. Dolly is increased to 1.2 times the original.

  4. Ardelia P4 Rock Blossom, Potential | Arknights: EndfieldP4

    Rock Blossom

    Ultimate Wooly Party improved: Ultimate Energy cost -15%.

  5. Ardelia P5 Volcanic Steam, Potential | Arknights: EndfieldP5

    Volcanic Steam

    Combo skill Eruption Column improved: Length of cooldown -2s; DMG multiplier is increased to 1.2 times the original; duration of Corrosion applied +4s.

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
    Tachyon Screening Lattice, promotion material | Arknights: EndfieldTachyon Screening Lattice ×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
    Tachyon Screening Lattice, promotion material | Arknights: EndfieldTachyon Screening Lattice ×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
    Tachyon Screening Lattice, promotion material | Arknights: EndfieldTachyon Screening Lattice ×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
Tachyon Screening Lattice, promotion material | Arknights: EndfieldTachyon Screening Lattice ×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
Tachyon Screening Lattice, promotion material | Arknights: EndfieldTachyon Screening Lattice ×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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