Phase I
Requirement: Level LVL 1
"Greetings, Endministrator. The name's Ardelia and I'm a geologist from Rhodes Island. My current focus is the correlations between geological disasters and the Ætherside. I've heard about you for quite a while, Endmin, and I have so many questions for you. Oh, there's something else... Can I address you as my Professor?"
Learn how to use Ardelia, a 6-star Supporter in Arknights: Endfield. This guide covers Ardelia's Nature elemental abilities, Polearm equipment, and best Intellect build.
| Stat Name / Level | LVL.1 | LVL.2 | LVL.3 | LVL.4 | LVL.5 | LVL.6 |
|---|---|---|---|---|---|---|
Health Pointshp | Health Points at level 1:500 | Health Points at level 2:1566 | Health Points at level 3:2689 | Health Points at level 4:3811 | Health Points at level 5:4934 | Health Points at level 6:6000 |
Attack Poweratk | Attack Power at level 1:30 | Attack Power at level 2:93 | Attack Power at level 3:159 | Attack Power at level 4:225 | Attack Power at level 5:291 | Attack Power at level 6:353 |
Strengthstrength | Strength at level 1:9 | Strength at level 2:31 | Strength at level 3:54 | Strength at level 4:77 | Strength at level 5:100 | Strength at level 6:122 |
Agilityagility | Agility at level 1:9 | Agility at level 2:27 | Agility at level 3:46 | Agility at level 4:65 | Agility at level 5:84 | Agility at level 6:102 |
Intellectintellect | Intellect at level 1:20 | Intellect at level 2:46 | Intellect at level 3:75 | Intellect at level 4:103 | Intellect at level 5:131 | Intellect at level 6:158 |
Willpowerwill | Willpower at level 1:15 | Willpower at level 2:37 | Willpower at level 3:60 | Willpower at level 4:83 | Willpower at level 5:106 | Willpower at level 6:128 |
// Protocol_Upgrade_Sequence
Battle skill Dolly Rush improved: Consuming Corrosion now applies Physical Susceptibility and Arts Susceptibility with effects +10%.
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.
Ultimate Wooly Party improved: Duration +1s; chance to create Shadow of Mr. Dolly is increased to 1.2 times the original.
Ultimate Wooly Party improved: Ultimate Energy cost -15%.
Combo skill Eruption Column improved: Length of cooldown -2s; DMG multiplier is increased to 1.2 times the original; duration of Corrosion applied +4s.
Unlock all potentials for Operator to increase efficiency. Each phase requires an operator token or duplicate (gacha pull). Benefits include cost reduction, improved attack power, and skill enhancements.
Requirement: Level LVL 1
COMBO TRIGGER:
When the controlled operator performs a Final Strike on an enemy with no stacks of Vulnerable or Arts Infliction.
SKILL DESCRIPTION:
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.
| Skill Level / Mastery | Rank1 | Rank2 | Rank3 | Rank4 | Rank5 | Rank6 | Rank7 | Rank8 | Rank9 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cooldown | Level 1 Cooldown: 18 | Level 2 Cooldown: 18 | Level 3 Cooldown: 18 | Level 4 Cooldown: 18 | Level 5 Cooldown: 18 | Level 6 Cooldown: 18 | Level 7 Cooldown: 18 | Level 8 Cooldown: 18 | Level 9 Cooldown: 18 | Level 10 Cooldown: 18 | Level 11 Cooldown: 18 | Level 12 Cooldown: 17 |
| DMG Multiplier | Level 1 DMG Multiplier: 45% | Level 2 DMG Multiplier: 49% | Level 3 DMG Multiplier: 54% | Level 4 DMG Multiplier: 58% |
Check the best skill priority and materials needed to upgrade Eruption Column to Rank 12 (Mastery 3). Includes attack ratios, cooldown reduction, and special effects per level.
SKILL DESCRIPTION:
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 / Mastery | Rank1 | Rank2 | Rank3 | Rank4 |
|---|
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 / Mastery | Rank1 |
|---|
SKILL DESCRIPTION:
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 / Mastery | Rank1 | Rank2 | Rank3 | Rank4 |
|---|
// Passive_Capabilities_Log

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 has 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 lasts for 10s and up to 10 can exist in the battlefield.
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 has 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 lasts for 10s and up to 10 can exist in the battlefield.
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 has 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 lasts for 10s and up to 10 can exist in the battlefield.
Battle skill Dolly Rush improved: Triggering the additional effect while an enemy with Corrosion is nearby immediately casts the battle skill again. This effect only triggers once per active battle skill casting.
Activate this to let the operator equip blue quality gear.
Activate this to let the operator equip purple quality gear.
Operator Intellect +10.
Operator Intellect +15.
Explore all talent upgrades and combat passives for this operative. Unlock specific buffs and tactical advantages by promoting your character to Phase 1, Phase 2, and beyond.
// Infrastructure_Support_Skills
Assign to Manufacturing Cabin to grant weapon EXP material production efficiency +10%.
Requirement: Level LVL 2
Requirement: Level LVL 3
Requirement: Level LVL 4
Total materials needed for Operator max ascension in Arknights: Endfield. Track all resource requirements for Phase 1, Phase 2, Phase 3, and Phase 4.
| Level 5 DMG Multiplier: 62% |
| Level 6 DMG Multiplier: 67% |
| Level 7 DMG Multiplier: 71% |
| Level 8 DMG Multiplier: 76% |
| Level 9 DMG Multiplier: 80% |
| Level 10 DMG Multiplier: 86% |
| Level 11 DMG Multiplier: 93% |
| Level 12 DMG Multiplier: 100% |
| Explosion DMG Multiplier | Level 1 Explosion DMG Multiplier: 111% | Level 2 Explosion DMG Multiplier: 122% | Level 3 Explosion DMG Multiplier: 133% | Level 4 Explosion DMG Multiplier: 144% | Level 5 Explosion DMG Multiplier: 155% | Level 6 Explosion DMG Multiplier: 167% | Level 7 Explosion DMG Multiplier: 178% | Level 8 Explosion DMG Multiplier: 189% | Level 9 Explosion DMG Multiplier: 200% | Level 10 Explosion DMG Multiplier: 214% | Level 11 Explosion DMG Multiplier: 230% | Level 12 Explosion DMG Multiplier: 250% |
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| Stagger | Level 1 Stagger: 10 | Level 2 Stagger: 10 | Level 3 Stagger: 10 | Level 4 Stagger: 10 | Level 5 Stagger: 10 | Level 6 Stagger: 10 | Level 7 Stagger: 10 | Level 8 Stagger: 10 | Level 9 Stagger: 10 | Level 10 Stagger: 10 | Level 11 Stagger: 10 | Level 12 Stagger: 10 |
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| Corrode Duration (s) | Level 1 Corrode Duration (s): 7 | Level 2 Corrode Duration (s): 7 | Level 3 Corrode Duration (s): 7 | Level 4 Corrode Duration (s): 7 | Level 5 Corrode Duration (s): 7 | Level 6 Corrode Duration (s): 7 | Level 7 Corrode Duration (s): 7 | Level 8 Corrode Duration (s): 7 | Level 9 Corrode Duration (s): 7 | Level 10 Corrode Duration (s): 7 | Level 11 Corrode Duration (s): 7 | Level 12 Corrode Duration (s): 7 |
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| SP Cost | Level 1 SP Cost: 100 | Level 2 SP Cost: 100 | Level 3 SP Cost: 100 | Level 4 SP Cost: 100 | Level 5 SP Cost: 100 | Level 6 SP Cost: 100 | Level 7 SP Cost: 100 | Level 8 SP Cost: 100 | Level 9 SP Cost: 100 | Level 10 SP Cost: 100 | Level 11 SP Cost: 100 | Level 12 SP Cost: 100 |
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| DMG Multiplier | Level 1 DMG Multiplier: 142% | Level 2 DMG Multiplier: 156% | Level 3 DMG Multiplier: 171% | Level 4 DMG Multiplier: 185% | Level 5 DMG Multiplier: 199% | Level 6 DMG Multiplier: 213% | Level 7 DMG Multiplier: 228% | Level 8 DMG Multiplier: 242% | Level 9 DMG Multiplier: 256% | Level 10 DMG Multiplier: 274% | Level 11 DMG Multiplier: 295% | Level 12 DMG Multiplier: 320% |
| Stagger | Level 1 Stagger: 10 | Level 2 Stagger: 10 | Level 3 Stagger: 10 | Level 4 Stagger: 10 | Level 5 Stagger: 10 | Level 6 Stagger: 10 | Level 7 Stagger: 10 | Level 8 Stagger: 10 | Level 9 Stagger: 10 | Level 10 Stagger: 10 | Level 11 Stagger: 10 | Level 12 Stagger: 10 |
| Susceptibility | Level 1 Susceptibility: 15% | Level 2 Susceptibility: 15% | Level 3 Susceptibility: 15% | Level 4 Susceptibility: 16% | Level 5 Susceptibility: 16% | Level 6 Susceptibility: 16% | Level 7 Susceptibility: 18% | Level 8 Susceptibility: 18% | Level 9 Susceptibility: 18% | Level 10 Susceptibility: 20% | Level 11 Susceptibility: 22% | Level 12 Susceptibility: 25% |
| Susceptibility Duration (s) | Level 1 Susceptibility Duration (s): 30 | Level 2 Susceptibility Duration (s): 30 | Level 3 Susceptibility Duration (s): 30 | Level 4 Susceptibility Duration (s): 30 | Level 5 Susceptibility Duration (s): 30 | Level 6 Susceptibility Duration (s): 30 | Level 7 Susceptibility Duration (s): 30 | Level 8 Susceptibility Duration (s): 30 | Level 9 Susceptibility Duration (s): 30 | Level 10 Susceptibility Duration (s): 30 | Level 11 Susceptibility Duration (s): 30 | Level 12 Susceptibility Duration (s): 30 |
Check the best skill priority and materials needed to upgrade Dolly Rush to Rank 12 (Mastery 3). Includes attack ratios, cooldown reduction, and special effects per level.
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| BATK SEQ 1 Multiplier | Level 1 BATK SEQ 1 Multiplier: 30% | Level 2 BATK SEQ 1 Multiplier: 33% | Level 3 BATK SEQ 1 Multiplier: 36% | Level 4 BATK SEQ 1 Multiplier: 39% | Level 5 BATK SEQ 1 Multiplier: 42% | Level 6 BATK SEQ 1 Multiplier: 45% | Level 7 BATK SEQ 1 Multiplier: 48% | Level 8 BATK SEQ 1 Multiplier: 51% | Level 9 BATK SEQ 1 Multiplier: 54% | Level 10 BATK SEQ 1 Multiplier: 58% | Level 11 BATK SEQ 1 Multiplier: 62% | Level 12 BATK SEQ 1 Multiplier: 68% |
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| BATK SEQ 2 Multiplier | Level 1 BATK SEQ 2 Multiplier: 40% | Level 2 BATK SEQ 2 Multiplier: 44% | Level 3 BATK SEQ 2 Multiplier: 48% | Level 4 BATK SEQ 2 Multiplier: 52% | Level 5 BATK SEQ 2 Multiplier: 56% | Level 6 BATK SEQ 2 Multiplier: 60% | Level 7 BATK SEQ 2 Multiplier: 64% | Level 8 BATK SEQ 2 Multiplier: 68% | Level 9 BATK SEQ 2 Multiplier: 72% | Level 10 BATK SEQ 2 Multiplier: 77% | Level 11 BATK SEQ 2 Multiplier: 83% | Level 12 BATK SEQ 2 Multiplier: 90% |
| BATK SEQ 3 Multiplier | Level 1 BATK SEQ 3 Multiplier: 53% | Level 2 BATK SEQ 3 Multiplier: 58% | Level 3 BATK SEQ 3 Multiplier: 63% | Level 4 BATK SEQ 3 Multiplier: 68% | Level 5 BATK SEQ 3 Multiplier: 74% | Level 6 BATK SEQ 3 Multiplier: 79% | Level 7 BATK SEQ 3 Multiplier: 84% | Level 8 BATK SEQ 3 Multiplier: 89% | Level 9 BATK SEQ 3 Multiplier: 95% | Level 10 BATK SEQ 3 Multiplier: 101% | Level 11 BATK SEQ 3 Multiplier: 109% | Level 12 BATK SEQ 3 Multiplier: 118% |
| BATK SEQ 4 Multiplier | Level 1 BATK SEQ 4 Multiplier: 55% | Level 2 BATK SEQ 4 Multiplier: 61% | Level 3 BATK SEQ 4 Multiplier: 66% | Level 4 BATK SEQ 4 Multiplier: 72% | Level 5 BATK SEQ 4 Multiplier: 77% | Level 6 BATK SEQ 4 Multiplier: 83% | Level 7 BATK SEQ 4 Multiplier: 88% | Level 8 BATK SEQ 4 Multiplier: 94% | Level 9 BATK SEQ 4 Multiplier: 99% | Level 10 BATK SEQ 4 Multiplier: 106% | Level 11 BATK SEQ 4 Multiplier: 114% | Level 12 BATK SEQ 4 Multiplier: 124% |
| Finisher ATK Multiplier | Level 1 Finisher ATK Multiplier: 400% | Level 2 Finisher ATK Multiplier: 440% | Level 3 Finisher ATK Multiplier: 480% | Level 4 Finisher ATK Multiplier: 520% | Level 5 Finisher ATK Multiplier: 560% | Level 6 Finisher ATK Multiplier: 600% | Level 7 Finisher ATK Multiplier: 640% | Level 8 Finisher ATK Multiplier: 680% | Level 9 Finisher ATK Multiplier: 720% | Level 10 Finisher ATK Multiplier: 770% | Level 11 Finisher ATK Multiplier: 830% | Level 12 Finisher ATK Multiplier: 900% |
| Dive ATK Multiplier | Level 1 Dive ATK Multiplier: 80% | Level 2 Dive ATK Multiplier: 88% | Level 3 Dive ATK Multiplier: 96% | Level 4 Dive ATK Multiplier: 104% | Level 5 Dive ATK Multiplier: 112% | Level 6 Dive ATK Multiplier: 120% | Level 7 Dive ATK Multiplier: 128% | Level 8 Dive ATK Multiplier: 136% | Level 9 Dive ATK Multiplier: 144% | Level 10 Dive ATK Multiplier: 154% | Level 11 Dive ATK Multiplier: 166% | Level 12 Dive ATK Multiplier: 180% |
Check the best skill priority and materials needed to upgrade Rocky Whispers to Rank 12 (Mastery 3). Includes attack ratios, cooldown reduction, and special effects per level.
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| Ultimate Energy Cost | Level 1 Ultimate Energy Cost: 90 | Level 2 Ultimate Energy Cost: 90 | Level 3 Ultimate Energy Cost: 90 | Level 4 Ultimate Energy Cost: 90 | Level 5 Ultimate Energy Cost: 90 | Level 6 Ultimate Energy Cost: 90 | Level 7 Ultimate Energy Cost: 90 | Level 8 Ultimate Energy Cost: 90 | Level 9 Ultimate Energy Cost: 90 | Level 10 Ultimate Energy Cost: 90 | Level 11 Ultimate Energy Cost: 90 | Level 12 Ultimate Energy Cost: 90 |
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| DMG Multiplier | Level 1 DMG Multiplier: 73% | Level 2 DMG Multiplier: 81% | Level 3 DMG Multiplier: 88% | Level 4 DMG Multiplier: 95% | Level 5 DMG Multiplier: 103% | Level 6 DMG Multiplier: 110% | Level 7 DMG Multiplier: 117% | Level 8 DMG Multiplier: 125% | Level 9 DMG Multiplier: 132% | Level 10 DMG Multiplier: 141% | Level 11 DMG Multiplier: 152% | Level 12 DMG Multiplier: 165% |
| Stagger | Level 1 Stagger: 2 | Level 2 Stagger: 2 | Level 3 Stagger: 2 | Level 4 Stagger: 2 | Level 5 Stagger: 2 | Level 6 Stagger: 2 | Level 7 Stagger: 2 | Level 8 Stagger: 2 | Level 9 Stagger: 2 | Level 10 Stagger: 3 | Level 11 Stagger: 3 | Level 12 Stagger: 3 |
| Duration (s) | Level 1 Duration (s): 3 | Level 2 Duration (s): 3 | Level 3 Duration (s): 3 | Level 4 Duration (s): 3 | Level 5 Duration (s): 3 | Level 6 Duration (s): 3 | Level 7 Duration (s): 3 | Level 8 Duration (s): 3 | Level 9 Duration (s): 3 | Level 10 Duration (s): 3 | Level 11 Duration (s): 3 | Level 12 Duration (s): 3 |
Check the best skill priority and materials needed to upgrade Wooly Party to Rank 12 (Mastery 3). Includes attack ratios, cooldown reduction, and special effects per level.
Activate this to let the operator equip gold quality gear.
Operator Intellect +15.
Operator Intellect +20.
Assign to Manufacturing Cabin to grant weapon EXP material production efficiency +20%.
Assign to Control Nexus to grant all operators' Mood Regen +8%.
Assign to Control Nexus to grant all operators' Mood Regen +12%.
Detailed overview of operative infrastructure skills for facility management. Maximize your base efficiency with these specific logistical support protocols.
Hot Work - 3-pc set effect: Arts Intensity +30. Applying Combustion: Heat DMG +60% for 8s. Corrosion: Nature DMG +60% for 8s. Effects do not stack.
Eternal Xiranite - 3-pc set effect: HP +1000. Applying Amp, Protected, Susceptible, or Weakened grants allies ATK +16% for 15s. Cannot stack.