Surtr

Guard

Surtr

★★★★★★

Rhodes Island

Atier

Introduction

Surtr is a 6-star character in Arknights. Surtr's class is Guard. Faction: Rhodes Island.

On the combined Arknights tier list Surtr is A tier, 46th of the 410 characters ranked, from where 2 community tier lists put Surtr.

What Surtr does

A Guard whose Twilight restores all HP and adds 330% ATK, 5000 Max HP, two tiles of range and three extra targets with unlimited duration, while HP drains faster and faster until it hits 20% per second after 60 seconds. A fatal hit doesn't end Surtr right away either: HP holds at 1 for 9 seconds before the retreat.

Surtr's banners

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  • 20 October 2026 to 3 November 2026Rare Operators useful in all kinds of stages
  • 30 June 2026 to 14 July 2026 Celebration - Kernel
  • 7 April 2026 to 21 April 2026Rare Operators useful in all kinds of stages
  • 27 January 2026 to 10 February 2026Rare Operators useful in all kinds of stages
  • 21 October 2025 to 4 November 2025Rare Operators useful in all kinds of stages
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  • 1 July 2025 to 15 July 2025 Celebration - Kernel
  • 2 July 2024 to 16 July 2024Celebration & Vista
  • 14 July 2023 to 28 July 2023Celebration & Link-Up
  • 15 July 2022 to 29 July 2022Celebrate & Recollect

Profile

Surtr is a female Sarkaz. Her birthday is Jan 22, and she stands 162cm tall. Surtr is voiced by Yi Zhu in Chinese, Kira Buckland in English, Yui Horie in Japanese, and Seo Yu-ri in Korean. Ask drew her.

Stories

9
Basic Info

[Code Name] Surtr

[Gender] Female

[Combat Experience] 2 Years

[Place of Birth] Unknown

[Date of Birth] Jan 22

[Race] Sarkaz

[Height] 162cm

[Infection Status]

Confirmed Infected by medical examination.

Physical Exam

[Physical Strength] Normal

[Mobility] Normal

[Physical Resilience] Normal

[Tactical Acumen] Excellent

[Combat Skill] Normal

[Originium Arts Assimilation] Flawed

Profile

Surtr is a mysterious Sarkaz girl who suffers from amnesia, perhaps due to her Oripathy. Her condition is rarely seen even among Infected. She is currently undergoing treatment at Rhodes Island.

During testing, Surtr displayed an inexplicably high combat prowess, and was quickly drafted as a combat operator.

Clinical Analysis

Imaging tests have shown the outlines of her internal organs to be indistinct due to slight shadows. Minute amounts of Originium granules have been detected in her circulatory system, confirming her to be infected with Oripathy.

[Cell-Originium Assimilation] 1%

Operator Surtr has basically no signs of infection on the surface of her body.

[Blood Originium-Crystal Density] 0.10u/L

Operator Surtr's Originium-Crystal density is at the lower end.

Archive File 1

Operator Surtr was found in the ruins of a small town ravaged by a Catastrophe, on the outskirts of Ursus. At the time, Rhodes Island operators were carrying out a post-Catastrophe scouting mission and stumbled upon Surtr, who was resting alone in a destroyed building. Assuming that Surtr was a victim of the Catastrophe and afraid that she would fall victim to its aftereffects, the operators decided to bring her back to Rhodes Island. It was only later that we realized Surtr was merely a passing traveler looking for a place to rest.

Archive File 2

Though Surtr's combat prowess far surpasses the average combat operator, her power cannot be attributed to any kind of Originium Arts. With the two-handed sword she carries, Surtr can do significant damage to her environs. The sheer heat emitted from the blade can melt most substances, but the theory behind it is difficult to explain. Surtr herself is unable to recall the origin of the sword. It became an indispensable companion without her noticing. Because of this, even if Surtr frequently passes through normal Infected areas, her Infection will not significantly worsen. Whether it will become a key area of interest in the research of Oripathy remains unknown at this point.

Archive File 3

Surtr's memory impairment is different from normal amnesia, and is more akin to memory confusion due to overlapping memories within the same period of time. Based on Surtr's explanation, her mind contains many differing memories. In these memories, Surtr herself could be in completely different locations, with completely different interpersonal relationships. Due to the difficulty of investigation, the authenticity of her report cannot be determined as of now. It is unconfirmed if these are really Surtr's own experiences, or others' experiences that Surtr came to treat as her own.

Archive File 4

Surtr's lifestyle on the Rhodes Island landship is rather free, without many of the constraints and requirements expected of normal operators. Medical understands her circumstances, and has compiled a partial list of Surtr's memories to aid in her investigation. Surtr spends most of her time looking for clues at the locations in her memories. It is clear that Surtr may never be able to finish investigating all the locations in her memories within her lifetime, but Surtr herself does not seem to mind. Perhaps to her, the journey is far more important than the destination.

Promotion Record

[A particular page of Surtr's personal records]

[No permission required for viewing]

Forest, endless trees, stream, wheels, bandits.

Skyscrapers, alleyway, cake shop, icing, albumen.

Wasteland, ruins, enemies, friends, a series of explosions.

Snowy mountain, a barren snowy mountain, unending snowy mountains.

Castle, stone castle, tower, unopenable door.

School, street, sports field, newsstand, mugger.

Police station, interrogation room, timer, criminal.

Balloons, amusement park, fountain, roller coaster.

Ocean, sea monster, fincatching boats.

Electric tower, broadcast station, rooftop.

Many lines have been crossed out.

Stats

  • HP70th2,916
  • ATK155th672
  • DEF76th414
  • RES87th15
  • Block1
  • DP cost278th21
  • Redeploy70s
  • Attack interval159th1.25s

At Elite 2, level 90, before trust, potentials and modules. Each bar is measured against the highest value in the Arknights roster, and the place is out of every character with that stat, lowest first for DP cost, Redeploy and Attack interval.

By promotion

  • Elite 0 Lv. 1HP: 1330ATK: 288DEF: 186RES: 10Block: 1DP: 19Redeploy: 70Interval: 1.25
  • Elite 0 Lv. 50HP: 1750ATK: 418DEF: 267RES: 10Block: 1DP: 19Redeploy: 70Interval: 1.25
  • Elite 1 Lv. 80HP: 2216ATK: 544DEF: 343RES: 10Block: 1DP: 21Redeploy: 70Interval: 1.25
  • Elite 2 Lv. 90HP: 2916ATK: 672DEF: 414RES: 15Block: 1DP: 21Redeploy: 70Interval: 1.25

Base values before trust, potentials and modules. Full trust adds ATK +100.

Range from Elite 0

Trait

Deals Arts damage

Skills

3
  • Laevatain

    Auto trigger · Offensive recovery · Unlocks at Elite 0
    Level

    Increases the ATK of the next attack to 310%. If the target is defeated, immediately recover all Skill Points

    SP cost
    2
    Initial SP
    0
  • Molten Giant

    Manual trigger · Auto recovery · Unlocks at Elite 1
    Level

    ATK +120%, attack range +1 and attack target count +1. When attacking only one enemy, deal 160% ATK as damage to the target

    SP cost
    18
    Initial SP
    12
    Duration
    18s
  • Twilight

    Manual trigger · Auto recovery · Unlocks at Elite 2
    Level

    Immediately recover all HP; ATK +330%, attack range +2, attack target count +3 and Max HP +5000. Gradually lose HP (HP loss caps at 20%/second after 60 seconds); Unlimited duration

    SP cost
    5
    Initial SP
    0

Talents

2
  • Molten Flame

    Elite 1
    Attacks ignore 12 RES
    Elite 1 · Potential 5
    Attacks ignore 14 (+2) RES
    Elite 2
    Attacks ignore 20 RES
    Elite 2 · Potential 5
    Attacks ignore 22 (+2) RES
  • Remnant Ash

    Elite 1
    After receiving fatal damage, continuously prevent HP from falling below 1. Retreat from the battlefield 4 seconds later
    Elite 1 · Potential 3
    After receiving fatal damage, continuously prevent HP from falling below 1. Retreat from the battlefield 5 (+1) seconds later
    Elite 2
    After receiving fatal damage, continuously prevent HP from falling below 1. Retreat from the battlefield 8 seconds later
    Elite 2 · Potential 3
    After receiving fatal damage, continuously prevent HP from falling below 1. Retreat from the battlefield 9 (+1) seconds later

Potentials

Potential 2
DP Cost -1
Potential 3
Improves Second Talent
Potential 4
ATK +28
Potential 5
Improves First Talent
Potential 6
DP Cost -1

Modules

2
  • Heart of Sami (AFT-X)

    Unlocks at Elite 2 Lv. 60
    • Stage 1Stats: ATK +30, RES +5Trait: ASPD +8 when not blocking an enemy
    • Stage 2Stats: ATK +48, RES +5Trait: ASPD +8 when not blocking an enemyTalent: Attacks ignore 24 RES
    • Stage 3Stats: ATK +60, RES +5Trait: ASPD +8 when not blocking an enemyTalent: Attacks ignore 26 RES

    To unlock

    • Complete a total of 5 battles; You must deploy your own Surtr, and unleash Twilight at least 1 time in each battle
    • Clear Main Theme 3-8 with a 3-star rating; You must deploy your own Surtr, and have her defeat Skullshatterer
    Module record

    'Sami blesses and protects us all. It is everywhere, and ever watchful over Its children.

    'Every tree, every blade of grass in this tundra is part of It, and through them It guides us. Even in distant lands, It reaches through these mediums to aid us in troubled times.

    'So what do you say? A handcrafted Sami spirit stone? Even the great Arges bought one, you know.', A certain incorrigible Sami peddler

    As Surtr, amidst the heart of the blizzard, prepared to leave the icefields' depths, Sami gave her a gift.

    Slowly, the sheaves of frozen runes revealed to her melted, crumbled, and a stone of crystal ice fell at her feet.

    As if compelled, Surtr picked it up, and found it not nearly as bone-chilling as its looks suggested. Even as the blizzard bathed it, it pulsed with a warmer rhythm. Almost a familiar one. The rhythm of life.

    Such a familiar feeling. She looked at the sword in her hand, staring at the molten core within it.

    Bringing the crystal to her sword, Surtr could feel... another self stirring, a voice crying out, 'Damn you, take that thing away! Get it out of my sight!'

    So, Surtr bought one of those locally handcrafted Sami pendants, discarded its useless rock, and replaced it with the crystal. She wound the rope around the sword's hilt.

    With every step forward, the pendant and hilt would knock together in rhythm, clank, clank. This annoyed her other self greatly, haughty yet powerless to resist.

    In the back of her mind, Surtr couldn't help but laugh at it.

    She knew it was a seething, scorching sort, easy to irritate, hated cold things the way one might hate the sound of nails on a chalkboard.

    It was why she'd always loved ice cream, and all cold refreshments alike.

    Clank, clank, Surtr knocked the pendant on the blade a few times, and it gave a few violent shakes in response, before settling down once more. The crystal's blue light bathed the blade's flame red, smothering it somewhat.

    Thank you, Sami.

    She could feel its blaze becoming wrath, increasingly unable to bear being slighted so, as if saying, 'You fool! You would choose this most pathetic, most damnable of means to get back at me!'

    Nonsense.

    She'd never considered its minor griping a threat, with or without Sami's help.

    She's never seen her fiery powers as a blessing, nor has she ever felt restricted by the chaos that is her memory. Headstrong and self-centered, she disregards and cherishes as she sees fit.

    Feranmut fragment? Big deal. Just shut it in front of me.

  • Travel Necessities (AFT-Y)

    Unlocks at Elite 2 Lv. 60
    • Stage 1Stats: ATK +45, DEF +42Trait: Enemies blocked by this unit receive 10% Arts Fragility
    • Stage 2Stats: ATK +55, DEF +56Trait: Enemies blocked by this unit receive 10% Arts FragilityTalent: After receiving fatal damage, continuously prevents HP from falling below 1 and gains ASPD +20; retreats from the battlefield 8 seconds later
    • Stage 3Stats: ATK +60, DEF +65Trait: Enemies blocked by this unit receive 10% Arts FragilityTalent: After receiving fatal damage, continuously prevents HP from falling below 1 and gains ASPD +30; retreats from the battlefield 9 seconds later

    To unlock

    • Defeat a total of 10 elite or leader enemies with your own Surtr
    • Clear The Rides to Lake Silberneherze RS-7 with a 3-star rating; You must deploy your own Surtr, and use Twilight at least 2 times
    Module record

    As she visited the new dormitory in Victoria, Surtr knew much had happened to Rhodes Island while she was away.

    Her new room was clean and tidy. Just as the message she received on her return journey had said, there were no decorations other than the personal belongings she had kept in her old room. It was so simple it felt almost cold.

    Her personal belongings were few: a few health monitoring instruments, some clothing, and everyday items.

    But there was also a strange box on a table in the middle of the room, looking decidedly out of place.

    She opened the box and read the letter inside. Apparently, it contained gifts that the other operators had left her.

    You're going to Sami? Then take this self-heating travel mug. I also included the recipes for a few hot drinks you can make on your own to keep yourself warm out there!, Hibiscus

    '...But I just got back from Sami.'

    I heard you can't remember your past either. This is my old recording terminal. Maybe you can use it to keep a log of important memories while you're traveling., Rosmontis

    'She must have misunderstood my memory disorder. But sure, I could use it to record sights and sounds on my travels.'

    Thank you for helping out with the combat simulations. This is a Blacksteel custom-made battery-powered portable ice-maker, so that you can have cold drinks even while you're traveling!, Jessica

    'But it doesn't come with any batteries... Although I suppose this chunk of ice from Sami will fit in it.'

    There was also a camping stove from Meteorite, a travel bag from another operator, and various other items she sorted through one by one.

    Surtr found herself rather pleased at the sight of a whole table covered with things that seemed useful, but really weren't.

    She was never a talkative person, nor particularly eager to help others. She disliked trouble and never used to go out of her way for strangers, not when she had plenty on her plate already.

    But now, as part of Rhodes Island, she realized that she had so many people around her who cared about her.

    This sort of relationship was unfamiliar, but not unwelcome.

    She put her usual terminal, clothes, and other travel items in the storage cabinet, and set aside space in her backpack for the recording terminal she had never used before, the ice-maker she was not sure would work, the unfamiliar camping stove, the self-heating mug... She wanted to bring them with her, rather than leave them in her room.

    She picked up the backpack with a frown. It was rather heavy.

    But this way, she would certainly remember the ones who gave these to her, no matter where she went.

Base skills

2
  • Guard Expert α

    Training Room · Elite 0

    When this Operator is assigned to be the Trainer in the Training Room, Guard Operators' Specialization training speed +30%

  • Bladework Memory

    Training Room · Elite 2

    When this Operator is assigned to be the Trainer in the Training Room, Guard Operators' Specialization training speed +60%

Outfits

5
  • Surtr: Elite 1

    Elite 1

    Default Outfit

    Art by Ask

  • Surtr: Elite 2

    Elite 2

    Default Outfit

    Art by Ask

  • Surtr: Colorful Wonderland CW03

    Colorful Wonderland CW03

    Coral Coast/IX

    Art by Ask

    Store

  • Surtr: Prelude to Transcendence

    Prelude to Transcendence

    Ambience Synesthesia/VII

    Art by Ask

    Store

  • Surtr: Liberté//Échec

    Liberté//Échec

    i.t

    Art by Ask

    Store

Voice lines

38
Show all 38 lines
Appointed as Assistant
You couldn't even finish the work you're supposed to do, so you're asking me for help?
Talk 1
Stop sending me to teach people Originium Arts. I have no interest in wasting time with common people.
Talk 2
I'm not here because I have to be. Just because I want to be.
Talk 3
The people I hate most are the ones who ask too many questions. I hope you are not one of them.
Talk after Promotion 1
Looks like you understand my Arts now, to some degree. I hope you're aware of the danger as well.
Talk after Promotion 2
Before I realized it, these Arts and this staff became my most loyal friends. I don't remember when I gained this power. And of course, I don't actually care.
Talk after Trust Increase 1
I have all kinds of memories. I don't know where they came from, and I don't know which ones are really mine. I've been traveling back and forth, from country to country trying to find the source. And now, here I am at Rhodes Island.
Talk after Trust Increase 2
When I'm all caught up in chaotic memories, there's nothing better than an ice cream to calm me down. I relied a lot on ice cream, when I was alone.
Talk after Trust Increase 3
The memories from after I came to Rhodes Island are completely different from the ones before. There's a sense of realism to them. For the first time, I feel like I'm really myself. That's all thanks to you, and the rest of Rhodes Island… What? I am capable of giving thanks where it's deserved, alright?
Idle
Hmph… what a waste of time.
Onboard
I am Surtr. Are you the Doctor they mentioned? I'll be working at Rhodes Island, starting today. I hope you won't bore me too much.
Watching Battle Record
That's it?
Promotion 1
What? You're starting to value me now that you know my power?
Promotion 2
So it's not my power, but me myself? Hmph, you leave me no choice but to pay it back with hard work.
Added to Squad
Am I needed?
Appointed as Squad Leader
I alone am enough.
Depart
Time to go.
Begin Operation
Are they the ones I'm eliminating?
Selecting Operator 1
Don't order me around.
Selecting Operator 2
Enough, I get it.
Deployment 1
Not a bad position.
Deployment 2
I'm on it!
In Battle 1
Die!
In Battle 2
You can run but you can't hide!
In Battle 3
Laevatain!
In Battle 4
Foolish morons!
4-star Result
Hmph. Piece of cake.
3-star Result
Naturally.
Sub 3-star Result
Can you not even do such a simple thing?
Operation Failure
If you can't help, just run! I'll handle this.
Assigned to Facility
This room is clean enough, I guess.
Tap
I can find my own way.
Trust Tap
Quiet, please.
Title
Arknights.
New Year's blessing
This day has always irritated me a little. Time goes by one year after another, and my memories also drift further and further away... Hmph, forget it. Hey you, come take a stroll with me on the deck. Maybe some cold wind will help calm me down.
Greeting
Oh, here you are.
Birthday
Happy birthday. You remember your birthday, even though you're amnesiac. That has to mean that something really important must've happened on this day… Um, I have your birthday memorized now, and I won't forget it this time.
Anniversary Celebration
For now, I still don't have a way to find my past self, but the process has also shaped who I am today. My days here at Rhodes Island are an important part of that. Doctor, we still have a lot of time together ahead of us. Keep your faith in my sword.

Upgrade costs

Open in the planner

Promotion

  • Elite 1Guard Chip ×5Orirock Cube ×12Polyketon ×4LMD ×30,000
  • Elite 2Guard Dualchip ×4Polymerization Preparation ×4Keton Colloid ×5LMD ×180,000

Skill levels

  • Lv. 2Skill Summary - 1 ×5
  • Lv. 3Skill Summary - 1 ×5Damaged Device ×4Ester ×4
  • Lv. 4Skill Summary - 2 ×8Orirock Cube ×7
  • Lv. 5Skill Summary - 2 ×8Polyester ×4Oriron ×4
  • Lv. 6Skill Summary - 2 ×8Oriron Cluster ×6
  • Lv. 7Skill Summary - 3 ×8Loxic Kohl ×5Aketon ×4

Mastery: Laevatain

  • M1Skill Summary - 3 ×8Manganese Trihydrate ×4Integrated Device ×4
  • M2Skill Summary - 3 ×12Keton Colloid ×4Polymerized Gel ×9
  • M3Skill Summary - 3 ×15D32 Steel ×6Optimized Device ×4

Mastery: Molten Giant

  • M1Skill Summary - 3 ×8RMA70-24 ×4Manganese Ore ×5
  • M2Skill Summary - 3 ×12White Horse Kohl ×4Keton Colloid ×8
  • M3Skill Summary - 3 ×15Bipolar Nanoflake ×6RMA70-24 ×5

Mastery: Twilight

  • M1Skill Summary - 3 ×8Orirock Concentration ×4Grindstone ×7
  • M2Skill Summary - 3 ×12Grindstone Pentahydrate ×4White Horse Kohl ×9
  • M3Skill Summary - 3 ×15D32 Steel ×6Polymerized Gel ×6

Module: Heart of Sami (AFT-X)

  • Stage 1Module Data Block ×4D32 Steel ×2LMD ×80,000
  • Stage 2Module Data Block ×4Data Supplement Stick ×60Nucleic Crystal Sinter ×3LMD ×100,000
  • Stage 3Module Data Block ×4Data Supplement Instrument ×20Crystalline Electronic Unit ×4LMD ×120,000

Module: Travel Necessities (AFT-Y)

  • Stage 1Module Data Block ×4Polymerization Preparation ×2LMD ×80,000
  • Stage 2Module Data Block ×4Data Supplement Stick ×60Nucleic Crystal Sinter ×3LMD ×100,000
  • Stage 3Module Data Block ×4Data Supplement Instrument ×20Crystalline Electronic Unit ×4LMD ×120,000

How to get Surtr

Recruitment & Headhunting

Art

Surtr key art

More characters

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