
Specialist
Frost
★★★★★
Team Rainbow
Introduction
Frost is a 5-star character in Arknights. Frost's weapon type is Mk1 9mm handgun (Super 90 shotgun against trapped targets) and class is Specialist. Faction: Team Rainbow.
On the combined Arknights tier list Frost is C tier, 248th of the 410 characters ranked, from where 2 community tier lists put Frost.
What Frost does
A trap
Specialist with up to 10 Welcome Mats that go off when an enemy steps on one. With
Trap Deployment each mat hits for 350% and stuns for 1.5 seconds, and with
Incapacitated Prey it binds the target and she follows up with three 180% attacks if it's in range.
Profile
Her birthday is May 4, and she stands 172 cm tall. Ubisoft drew her.
Stories
9Basic Info
[Code Name] Frost
[Gender] Female
[Combat Experience] Unknown
[Place of Birth] Unknown
[Date of Birth] May 4
[Race] Unknown
[Height] 172 cm
[Infection Status]
Medical tests have confirmed that no infection is present.
Physical Exam
[Physical Strength] Normal
[Mobility] Standard
[Physical Resilience] Normal
[Tactical Acumen] Excellent
[Combat Skill] Excellent
[Originium Arts Assimilation] ■■
Profile
One of the members of Team Rainbow, Frost is a firm, focused and energetic individual adept at combat in outdoor environments.
She mainly uses modified mechanical traps named 'Welcome Mats.' Through strategic placement, they can obstruct the enemy and provide tactical support to the entire team.
Clinical Analysis
Imaging tests reveal clear, normal outlines of internal organs, and no abnormal shadows have been detected. Originium granules have not been detected in the circulatory system and there is no sign of infection. At this time, this operator is believed to be uninfected.
[Cell-Originium Assimilation] 0%
Frost shows no sign of Originium infection.
[Blood Originium-Crystal Density] Undisclosed
Relevant data will not be disclosed due to the Medical Department's agreement.
Archive File 1
Operator Tina, codename Frost. A member of Rainbow Six, and one of the witnesses to the 'Watchtower 33' incident, Frost registered with Rhodes Island as a cooperative party following the incident.
The members of Team Rainbow are mostly reluctant to reveal their past, which we will not object to given that our partners have the right to secrecy regarding their internal information.
As with the other members of Team Rainbow, operator Frost has extremely comprehensive combat experience, far surpassing the average operator in various fields including teamwork. Based on the report submitted to the HR department, operator Frost seems to have participated in numerous outdoor rescue missions and is a talented wilderness survival specialist.
However, please note that the members of Team Rainbow are only working with us on a temporary basis and are not formal employees of Rhodes Island. They still have many things they are busy with, so please do not rely overly much on their strength.
Archive File 2
Without a doubt, Frost is an experienced hunter, yet she is even more than that. During her stay at Rhodes Island, Frost spent most of her time hunkered down in one of Rhodes Island's workshops, producing a full set of hunting equipment and six or seven models of hunting traps. She has a never-ending list of topics to discuss regarding hunting, and can often be found exchanging hunting experiences with operators from Sami and Kazimierz.
Archive File 3
Be it stealth, tracking, or hunting... Operator Frost already exhibits excellent potential even without the use of Originium Arts. Combined with her extensive use of traps, this unique form of combat is very suited for operating on Terra's wastelands.
Incidentally, Miss Frost's cooking skills are not bad. I believe that even if she is lacking supplies, Miss Frost will still be able to find a way to survive in the wasteland.
Recently, she has been doing a detailed study on 'Rhodes Island Wilderness Survival Guide.' I'm not sure if the information in that book will be of use to her.
Archive File 4
[Classified Log]
After much deliberation, I've decided to record the following as an archived record, since the notes and investigations here are born out of my own personal interest, even though I believe they are very much necessary.
The four operators of Team Rainbow are far more peculiar than we think, and many people are unaware that their living environment may in fact be vastly different from our own.
Though they are by definition armed personnel, each of them has received comprehensive higher education. I am astonished by the professionalism of Operator Blitz's linguistic knowledge, whereas operator Ash is skilled enough to converse fluently in two to three different languages with other people. I don't believe I need to mention the multitude of professional knowledge possessed by the other members of Team Rainbow.
They are not Infected, and have no prejudice against them. They were easily able to accept the idea of Rhodes Island extending help towards the Infected, and clearly expressed their sympathy towards them.
It's difficult to imagine what kind of country they came from.
Promotion Record
[Project and Equipment Transfer Log]
Within this period, operator Frost has produced a large number of equipment by herself, including various large hunting traps, some simple snares and several hunting knives.
She has also applied for the allocation of some Originium explosives. We have assessed operator Frost's knowledge on the relevant fields, and believe that she will be able to utilize these resources properly.
Stats
- HP393rd of 4551,359
- ATK275th of 455529
- DEF284th of 455157
- RES0
- Block1
- DP cost47th of 44611
- Redeploy70s
- Attack interval9th of 4550.85s
At Elite 2, level 80, 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: 635ATK: 240DEF: 64RES: 0Block: 1DP: 9Redeploy: 70Interval: 0.85
- Elite 0 Lv. 50HP: 847ATK: 329DEF: 98RES: 0Block: 1DP: 9Redeploy: 70Interval: 0.85
- Elite 1 Lv. 70HP: 1073ATK: 433DEF: 130RES: 0Block: 1DP: 11Redeploy: 70Interval: 0.85
- Elite 2 Lv. 80HP: 1359ATK: 529DEF: 157RES: 0Block: 1DP: 11Redeploy: 70Interval: 0.85
Base values before trust, potentials and modules. Full trust adds HP +200, ATK +40.
Trait
- Can use traps to assist in combat, but traps cannot be placed on tiles already occupied by an enemy
Skills
2
Trap Deployment
Auto trigger · Auto recovery · Unlocks at Elite 0LevelPassive Effect: When a Welcome Mat is triggered, deals 350% ATK as Physical damage and Stuns the target for 1.5 second(s) Active Effect: Immediately gets 1 Welcome Mat
- SP cost
- 12
- Initial SP
- 0

Incapacitated Prey
Auto trigger · Auto recovery · Unlocks at Elite 1LevelPassive Effect: When a Welcome Mat is triggered, deals 200% ATK as Physical damage and Binds the target for 1.5 second(s); If the target is within range, immediately attack them 3 times, each dealing 180% ATK as Physical damage; Active Effect: Immediately gets 1 Welcome Mat
- SP cost
- 12
- Initial SP
- 0
Talents
1Welcome Mat
- Elite 0
- Can deploy up to 4 Welcome Mats (Can store up to 6); The first enemy that steps on a Welcome Mat will trigger its effect
- Elite 0 · Potential 5
- Can deploy up to 6 (+2) Welcome Mats (Can store up to 6); The first enemy that steps on a Welcome Mat will trigger its effect
- Elite 1
- Can deploy up to 6 Welcome Mats (Can store up to 8); The first enemy that steps on a Welcome Mat will trigger its effect
- Elite 1 · Potential 5
- Can deploy up to 8 (+2) Welcome Mats (Can store up to 8); The first enemy that steps on a Welcome Mat will trigger its effect
- Elite 2
- Can deploy up to 8 Welcome Mats (Can store up to 10); The first enemy that steps on a Welcome Mat will trigger its effect
- Elite 2 · Potential 5
- Can deploy up to 10 (+2) Welcome Mats (Can store up to 10); The first enemy that steps on a Welcome Mat will trigger its effect
Potentials
- Potential 2
- DP Cost -1
- Potential 3
- Redeployment Time -4 sec
- Potential 4
- ATK +23
- Potential 5
- Improves Talent
- Potential 6
- DP Cost -1
Modules
1
Metallic Spring Loaded Trap (TRP-Y)
Unlocks at Elite 2 Lv. 50StageStatsTraitTalent- Stage 1Stats: ATK +35, DEF +21Trait: Has 20% chance to deploy a trap that deals double damage
- Stage 2Stats: ATK +42, DEF +23Trait: Has 20% chance to deploy a trap that deals double damageTalent: Can deploy up to 8 Welcome Mats (Can store up to 10); The first enemy that steps on a Welcome Mat will trigger its effect; Frost and Welcome Mats ignore 80 DEF
- Stage 3Stats: ATK +47, DEF +25Trait: Has 20% chance to deploy a trap that deals double damageTalent: Can deploy up to 8 Welcome Mats (Can store up to 10); The first enemy that steps on a Welcome Mat will trigger its effect; Frost and Welcome Mats ignore 120 DEF
To unlock
- Deal a total of 100,000 damage with Frost (excluding Support Units)
- Clear Main Theme 4-4 with a 3-star rating; You must deploy your own Frost, and have Frost defeat Crownslayer
Module record
'Is this going to be strong enough?'
The Engineering operator looks at the 'operator' standing directly opposite with a confused expression.
'I'm not sure... It would be enough where we're from.'
'If your leg gets caught in it, it usually takes some work to break out.'
Frost adjusts her 'Welcome Mat' as she explains to the Engineering operator how the trap works.
'But just this little force definitely doesn't have enough bite to it.'
'Forget Arts. With this little strength, most Terran could break free without much effort. Even I could.'
'Look at the equipment you're using, though. It's so advanced. Like your comms. It's amazing! You don't need any Originium to power it, and it's tiny!'
The Engineering operator prods Tina's communications equipment with fascination.
'Especially this solar panel! How did you make it so small? I never saw technology like this back in Columbia. It's amazing.'
'Anyway, it might take some time to modify the equipment. You can come check on us if that sounds like your thing.'
'Oh, right. I need a hunting bow. Can I apply for that here?'
'A hunting bow?'
A few hours later, the Engineering operator finds herself even more perplexed when Tina tries her best to draw a Sarkaz military-grade bowstring.
Their military prowess and combat techniques are extremely professional, and their equipment and tactics are beyond cutting-edge, but their physical qualities are comparatively lacking. Where are they from?
Is it because their physiques are so imperfect that they have to make up for it with technology?
Out of respect for everyone involved, however, the Engineering operator decides against pressing further, instead opting to keep her questions to herself.
Base skills
2
Team Rainbow
Control Center · Elite 0When this Operator is assigned to the Control Center, each Operator from Team Rainbow increases the Morale of all Operators in the Control Center by +0.05 per hour

Mechanical Engineering
Workshop · Elite 2When this Operator is assigned to a Workshop to process any material, the production rate of byproduct increases by 50%, and for every1 Intelligence Reserve, increases extra 5%; if the number of Ursus Specialty Beverages reaches 4 bottles, increases extra 15%
Outfits
2
Elite 1
Default Outfit
Art by Ubisoft

Elite 2
Default Outfit
Art by Ubisoft
Voice lines
35Show all 35 lines
- Appointed as Assistant
- Here's the schedule. You'll also need to review the weekly reports, expense records, and meeting agendas. Which do you want to do first?
- Talk 1
- We'll overcome any obstacle as long as we work together.
- Talk 2
- Excuse me, sir, but do you mind if I tidy up the bookshelf?
- Talk 3
- Sometimes humans behave exactly like wild animals. Understanding this makes me a more efficient operator.
- Talk after Promotion 1
- To see the really interesting things, you have to get out of the city. That's why I'm always so far away.
- Talk after Promotion 2
- Putting out the Welcome Mat is the first step. Luring the prey takes a bit more doing.
- Talk after Trust Increase 1
- No, no. This is all wrong. Let me reconsider for a bit.
- Talk after Trust Increase 2
- Is there anything I can help with?
- Talk after Trust Increase 3
- Who's the hunter? Who's the hunted? That's up to Mother Nature and the battlefield in question.
- Idle
- Simply pull this string and there's the Welcome Mat...
- Onboard
- RAINBOW Operator, codename Frost. At your service, sir.
- Watching Battle Record
- I've got a good idea.
- Promotion 1
- Thank you for your trust, sir.
- Promotion 2
- There are two things we absolutely need in a survival situation: water and hope.
- Added to Squad
- Let's work together.
- Appointed as Squad Leader
- Don't forget, we're a team and we have a plan.
- Depart
- Time for all the planning to pay off.
- Begin Operation
- I've got eyes on the hostiles.
- Selecting Operator 1
- We're ready for company.
- Selecting Operator 2
- Setting barricade.
- Deployment 1
- Don't let them get the drop on you.
- Deployment 2
- Stay alert.
- In Battle 1
- Laying out the Welcome Mat.
- In Battle 2
- Setting up.
- In Battle 3
- Welcome Mat set.
- In Battle 4
- Deployed.
- 4-star Result
- Stay two steps ahead of the enemy at all times.
- 3-star Result
- Always think ahead.
- Sub 3-star Result
- Maintain a perimeter.
- Operation Failure
- Administering aid. Friendly injured.
- Assigned to Facility
- This isn't so bad.
- Tap
- Hey! Be careful!
- Trust Tap
- Come along, join our hunt.
- Title
- Arknights.
- Greeting
- Would you like a bonfire?
Upgrade costs
Open in the plannerPromotion
- Elite 1
Specialist Chip ×4
Polyester ×5
Orirock Cube ×4
LMD ×20,000 - Elite 2
Specialist Dualchip ×3
Grindstone Pentahydrate ×8
Orirock Cluster ×17
LMD ×120,000
Skill levels
- Lv. 2
Skill Summary - 1 ×4 - Lv. 3
Skill Summary - 1 ×4
Ester ×7 - Lv. 4
Skill Summary - 2 ×6
Oriron ×3 - Lv. 5
Skill Summary - 2 ×6
Polyketon ×4 - Lv. 6
Skill Summary - 2 ×6
Orirock Cluster ×5 - Lv. 7
Skill Summary - 3 ×6
Coagulating Gel ×3
Oriron Cluster ×2
Mastery: Trap Deployment
- M1
Skill Summary - 3 ×5
Oriron Block ×3
Incandescent Alloy ×1 - M2
Skill Summary - 3 ×6
Manganese Trihydrate ×3
Optimized Device ×4 - M3
Skill Summary - 3 ×10
D32 Steel ×4
Grindstone Pentahydrate ×4
Mastery: Incapacitated Prey
- M1
Skill Summary - 3 ×5
Keton Colloid ×3
Coagulating Gel ×2 - M2
Skill Summary - 3 ×6
Grindstone Pentahydrate ×3
White Horse Kohl ×6 - M3
Skill Summary - 3 ×10
Crystalline Electronic Unit ×4
Optimized Device ×3
Module: Metallic Spring Loaded Trap (TRP-Y)
- Stage 1
Module Data Block ×2
Cutting Fluid Solution ×3
LMD ×40,000 - Stage 2
Module Data Block ×2
Data Supplement Stick ×20
Sugar Lump ×4
LMD ×50,000 - Stage 3
Module Data Block ×2
Data Supplement Instrument ×8
Oriron Block ×5
LMD ×60,000
How to get Frost
Recruitment & Headhunting
Art















