Captain Kaboom

Of Tinkers and Tunes

Technician

★★★★

Tier:B(Good with a plan)Faction: United Mining Industry Reactor Attribute:

RadiatioSignature Weapon: WrenchCombat Style:Break Suppressor Identity:Saviour

Trait: Captain Kaboom's TraitBorn from the depths of the mind. Used to awaken Captain Kaboom's Psyche.A thought with a certain childlike innocence...

WhatsApp Telegram X Bluesky Reddit Facebook

B tier (Good with a plan)

Repair Toolbox stacks 15% ATK twice while Pressure is being spent, so the spin buffs itself as it runs, and damage taken drops by 50% for as long as it lasts. Her Ultimate and Tactical Assault nodes carry the highest Break Exploit total on the roster, twice Lorin's. Building stun and building her own damage from one resource means a team around her needs no second poise breaker, and that fourth slot is worth more than the raw numbers suggest. She leans hard on crit, so she wants real gear before she pays out.

See the full tier list

LevelLv. 80

HP5,115

ATK546

DEF529

Read the full Captain Kaboom guideEvery Silver Palace character explained · kit, rotation and team fit

About Captain Kaboom

"Captain Kaboom reporting for duty! Repairs, burnt fuse boxes, broken stoves, bad guys, you name it!" The Kaboom Team are akin to a hive of industrious bees, buzzing tirelessly around Silvernia's Spinotrodes. They never turn down fresh milk and a coin or two for their purses, but most of all they treasure the companionship of their beloved Kaboom Team fellows. Children without a home, they often gather together, singing their motto as one: 'Mind for shocks, check the cables; keep things clean; activate once stable!' Revealed as a Technician of the United Mining Industry and a Radiatio Break Suppressor with a Saviour identity. Her Wrench kit builds Pressure and Maximum Current to fuel her Charged Attacks and balloon skills.

In the Dichotomy Beta build, Captain Kaboom appears only briefly, bounding in with her signature line, 'Captain Kaboom reporting for duty! Repairs, burnt fuse boxes, broken stoves, bad guys, you name it!' before heading off to fieldwork.

Personality: An upbeat repair-and-rescue technician who values her Kaboom Team companions above everything else.
Appearance: Official art shows a green-haired girl with amber eyes in a bright yellow raincoat and goggles.
Birthday: 23rd of July
Likes: Milk bottle caps, giraffe slides, outings with the team, clear skies, taking in the scenery from up high
Dislikes: Being treated like a child, getting bullied by teammates, getting injured, black coffee
Skills: Circuitry repairs, assembling small machinery, climbing

In-game profile

Leader of the Kaboom Team employed by the United Mining Industry, a group tasked with Spinotrode maintenance in High Peers.

A brusque child with a gentle side, quite domineering and very protective of her friends in the Kaboom Team, who appreciate and admire her greatly.

More independent and mature than others her age, yet she's still an outgoing and energetic kid at heart.

What Captain Kaboom calls you as Trust rises

Wise AdultCapable DetectiveI've Got Your Back

Intel

Further Information: I: Though she may complain about the kids' meals that UMI provides, she's certainly got the eating habits you'd expect of a child her age: favouring sweets, milk, bread and jam, and other similar foods.
Further Information: II: A Gravelkin orphan along with the rest of the Kaboom Team.

Silver Palace Detective Board showing characters, factions, locations, lore, and figures connected by red strings across a corkboard

Interactive investigation map

Trace Captain Kaboom's ties to other characters, factions, locations, and lore on Silvernia's interactive investigation wall. Drag cards, isolate a subject, and follow each string to its evidence.

Open the Detective Board

Captain Kaboom Gameplay Showcase (Dichotomy beta)

Gameplay and ultimate footage recorded during the Silver Palace Dichotomy beta, 44 seconds.

Captain Kaboom's wrench, Pressure building and balloon skills in action, captured from the Dichotomy beta.

Skills

Levelling all 5 of Captain Kaboom's skills to Lv. 10 each, and unlocking every node, costs 221,810 Ounce plus Saviour's Instinct, Saviour's Insight, Saviour's Challenge, Saviour's Legacy, Embryo in a Bottle and Twin Argent Strands. Captain Kaboom's Identity is Saviour, which is what puts the Saviour line on this list rather than another Identity's.

Basic Attack

Maintenance Calliper

Press the Basic Attack button to perform a combo of up to 4 hits, dealing Radiatio DMG. Grants 5/10/10/40 Pressure upon hitting an enemy.

Upon triggering a Perfect Dodge, press the Basic Attack button to immediately unleash a Lv. 2 Charged Coup de Grâce. This attack can interrupt enemies. After Parrying an attack, press the Basic Attack button to directly chain into the 3rd hit of the Basic Attack combo.

Charged Attack

While Pressure is less than 30, execute a heavy attack that deals Radiatio DMG and grants 5 Pressure.

Enhanced Charged Attack

When Pressure exceeds 30, hold the Basic Attack button to consume Pressure and unleash an Enhanced Charged Attack. The charge level increases for every 30 Pressure consumed, gaining the following effects: While performing the charged spin, DMG taken is reduced by 50%.

Lv. 1: Unleashes a small AoE attack, dealing Radiatio DMG. Lv. 2: Unleashes a large AoE attack, dealing Radiatio DMG. Lv. 3: Unleashes a maximum AoE attack, dealing Radiatio DMG.

Max Pressure: 90

Pursuit Attack

After Dodging or during a Dash, press the Basic Attack button to unleash a Pursuit Attack, dealing Radiatio DMG and gaining 5 Pressure.

"With me on the job, the circuits will always run like clockwork!"

Values by skill level

Level	1st-hit DMG	2nd-hit DMG	3rd-hit DMG	4th-hit DMG	Pursuit Attack DMG	Non-Charged Skill DMG	Charged Spin DMG	Lv. 1 Charged Coup de Grâce DMG	Lv. 2 Charged Coup de Grâce DMG	Lv. 3 Charged Coup de Grâce DMG
Lv. 1	30.8%	49.6%	36.8%	114.5%	36.2%	45.5%	33.9%	58%	103.9%	135.8%
Lv. 5	41.9%	67.4%	50.1%	155.8%	49.2%	62%	46.2%	78.9%	141.4%	184.7%
Lv. 10	61.6%	99.1%	73.6%	228.9%	72.3%	91%	67.9%	115.9%	207.7%	271.4%
Lv. 15	90.5%	145.5%	108.2%	336.3%	106.2%	133.7%	99.7%	170.3%	305.2%	398.8%
Lv. 20	132.9%	213.8%	158.9%	494.2%	156.1%	196.5%	146.5%	250.2%	448.4%	585.9%

Nodes

Radiatio DMG Bonus +1.8%

×1,695

×2

Radiatio DMG Bonus +1.8%

×1,440

×4

Show upgrade costs by level

Lv. 2

×1,250

×3

Lv. 3

×2,325

×5

Lv. 4

×3,400

×3

Lv. 5

×4,475

×5

Lv. 6

×5,550

×3

Lv. 7

×6,625

×5

Lv. 8

×7,700

×3

×1

Lv. 9

×8,775

×5

×2

Lv. 10

×9,850

×8

×3

×1

Skill

Captain's Ambush

Upon reaching full Maximum Current, press the Skill button to consume it all and launch a balloon attack that deals Radiatio DMG and grants 45 Pressure.

Max Maximum Current: 60 Maximum Current gained per second: 10

"I treat troublemakers like broken Spinotrodes: I give 'em a good fixing-up!"

Values by skill level

Level	Skill DMG
Lv. 1	113.2%
Lv. 5	154%
Lv. 10	226.2%
Lv. 15	332.4%
Lv. 20	488.4%

Nodes

Radiatio DMG Bonus +1.8%

×1,440

×2

Radiatio DMG Bonus +1.8%

×1,820

×4

Radiatio DMG Bonus +1.8%

×1,945

×2

×1

Show upgrade costs by level

Lv. 2

×1,250

×3

Lv. 3

×2,325

×5

Lv. 4

×3,400

×3

Lv. 5

×4,475

×5

Lv. 6

×5,550

×3

Lv. 7

×6,625

×5

Lv. 8

×7,700

×3

×1

Lv. 9

×8,775

×5

×2

Lv. 10

×9,850

×8

×3

×1

Ultimate

Explosive Bear

Upon reaching full charge, press the Ultimate button to wind up a clockwork bear and hurl it at the enemy. The bear explodes upon landing, dealing massive Radiatio DMG.

"If it's beyond repair... Then I'll blow it to smithereens instead!"

Values by skill level

Level	Skill DMG
Lv. 1	154.8%
Lv. 5	210.7%
Lv. 10	309.5%
Lv. 15	454.8%
Lv. 20	668.2%

Nodes

Break Exploit +0.2%

×1,945

×4

×1

Break Exploit +0.2%

×2,135

×6

×1

Show upgrade costs by level

Lv. 2

×1,250

×3

Lv. 3

×2,325

×5

Lv. 4

×3,400

×3

Lv. 5

×4,475

×5

Lv. 6

×5,550

×3

Lv. 7

×6,625

×5

Lv. 8

×7,700

×3

×1

Lv. 9

×8,775

×5

×2

Lv. 10

×9,850

×8

×3

×1

Tactical Assault

Maintenance Support

Switch in the selected character while having sufficient Reactor Energy to ride into the battlefield using a balloon. The balloon then explodes, dealing Radiatio DMG.

"Behold: the power of a true captain! That's me!"

Values by skill level

Level	Skill DMG
Lv. 1	63.6%
Lv. 5	86.6%
Lv. 10	127.2%
Lv. 15	186.9%
Lv. 20	274.6%

Nodes

Break Exploit +0.2%

×1,695

×8

×1

Break Exploit +0.2%

×1,440

×3

×2

Break Exploit +0.2%

×1,440

×6

×2

Show upgrade costs by level

Lv. 2

×1,250

×3

Lv. 3

×2,325

×5

Lv. 4

×3,400

×3

Lv. 5

×4,475

×5

Lv. 6

×5,550

×3

Lv. 7

×6,625

×5

Lv. 8

×7,700

×3

×1

Lv. 9

×8,775

×5

×2

Lv. 10

×9,850

×8

×3

×1

Passive Skill

Repair Toolbox

Increases ATK by 15% for 4s each time Pressure is consumed. Stacks up to 2 times.

"Calliper, miniature pressure valve, spare cogs, gotta bring 'em all!"

Nodes

ATK % +8%

×1,820

×9

×3

ATK % +8%

×1,945

×12

×3

Show upgrade costs by level

×1,250

×3

Total to max every skill

Ounce×221,810

Saviour's Instinct×41

Saviour's Insight×38

Saviour's Challenge×52

Saviour's Legacy×94

Embryo in a Bottle×38

Twin Argent Strands×4

Upgrade materials are published through Lv. 10, while the value curves above run to Lv. 20.

How to play Captain Kaboom

A poise breaker built to carry. Her kit raises her own damage as well as building stun, so she can anchor a team rather than support one. Pressure fuels spinning charge attacks that stun, damage, and build Radiatio resonance at once.

Difficulty: moderateField time: on-field carryResource loop: Maximum Current into PressureBuilt-in parry

1
Run the Basic Attack combo to build Pressure
The 4th hit grants by far the most
2
Press Skill for Captain's Ambush at full Maximum Current
The balloon attack adds a large chunk of Pressure on top
3
Spend Pressure on the Charged Attack
The spinning attacks stun, damage, and build Radiatio resonance together, and the Passive grants ATK each time Pressure is consumed
4
Parry mid-spin when attacked
Blocks the hit without ending the sequence
5
Press Ultimate for Explosive Bear
A single large hit of both damage and stun

Best Implements for Captain Kaboom

Implement stats are fixed rather than rolled, so a set is a decision you make once. The short answer is Cogs of the City. See the equipment guide for how the four slots and the Epiphany fit together.

Cogs of the City

Best

4 pieces

Break Exploit +60

Increases the holder's Break Exploit by 60. When the character's Break Exploit exceeds 200, they also gain 25% Stun Buildup Bonus for 14s whenever they perform a Charged Attack.

Why Captain Kaboom: Pressure fuels spinning charge attacks that stun and damage at once, which is precisely the trigger here: past 200 Break Exploit, every Charged Attack adds Stun Buildup for 14 seconds.

Non-Dustproof Dust CapHead

Non-Absorbent TowelNeck

Non-Turnable WrenchSecondary Weapon

Non-Insulated Lunch BoxAccessory

Hey, Jack

Alternative

4 pieces

Stun Buildup Bonus +25%

Increases the holder's Stun Buildup Bonus by 25%. When the character's Stun Buildup Bonus exceeds 100%, landing a Basic Attack on an enemy or performing a Perfect Dodge grants 1 or 3 stacks of All In respectively. Each stack of All In increases their Charged DMG by 3% for 8s, stacking up to 3 times.

Why Captain Kaboom: Her parry is built into the charge attack, so Perfect Dodges land often, and each one grants three stacks of All In to raise the Charged DMG she carries with.

The Blind ManHead

The WisherNeck

The Debt CollectorSecondary Weapon

The CheaterAccessory

Best Epiphany for Captain Kaboom

One Epiphany per character, and the effect never changes: duplicates raise the substats and leave the effect text alone. The short answer is Death of a Clerk. See the equipment guide for where the slot sits, or all 30 Epiphanies.

Death of a Clerk

Best

Lv. 60

ATK % +24%

Increases the holder's Radiatio DMG by 10%. They gain 1 stack of Fatal Shadow when dealing DMG. Each stack of Fatal Shadow increases CRIT DMG by 25% for 10s, stacking up to 5 times.

Why Captain Kaboom: Radiatio-locked, and Fatal Shadow stacks on any damage dealt rather than on a specific button. Five stacks is 125% CRIT DMG, which suits a breaker whose Pressure spin already builds stun and damage in the same attack.

White Beast of the Deep

Alternative

Lv. 60

Break Exploit +120

Increases the holder's Break Exploit by 60. When their Break Exploit exceeds 180, each 1 point of Break Exploit over 180 grants 0.15% DMG Bonus, up to a maximum of 30%.

Why Captain Kaboom: The Break Exploit line that pays in DMG Bonus rather than more stun. Pick it when the team already has enough Stun Buildup and she is being asked to carry.

Psyches

Spinotrode Mender

During her Charged Attacks, Captain Kaboom automatically parries any incoming attacks. Each time her Charged Attacks hit an enemy, its Coup de Grâce's DMG is increased by 0.6%.

City Worker Bee

Upon using Tactical Assault, Captain Kaboom's Pressure becomes fully charged. Her Charged Attacks deal an additional 1% Radiatio DMG on hit.

Beyond City Lights

Increases Captain Kaboom's Ultimate DMG by 20%.

Small Stature, Big Spirit

After Captain Kaboom uses her skill, her Radiatio DMG increases by 15% for 10s.

Root Cause of the Fault

After Captain Kaboom Executes an enemy, she increases the ATK of all characters on the team by 20% for 40s.

Home Is Where the Kaboom Is

Increases the range of Captain Kaboom's Charged Attacks and has them ignore 10% of enemies' DEF, pulling all enemies within range together. When Captain Kaboom uses her Coup de Grâce, she deals an additional 10% Radiatio DMG.

Captain Kaboom Trust and Gifts

The gifts Captain Kaboom prefers, what each Trust level costs, and what it pays out.

Captain Kaboom prefers Bunny Milk Sweets, Fine Silverium Calliper and Magician's Cards.Each one is worth 100 Trust EXP, so 8 of them cover the 780 Trust EXP between Lv.1 and Lv.5. The Gift Shop charges a flat 10,000 Ounce per gift, which puts a maxed Trust level at 80,000 Ounce.

Preferred gifts

Bunny Milk Sweets

+100 Trust EXP

Its packaging features a big-eared bunny with an exaggerated grin. Tastes even sweeter than you'd expect.

One's delicious, but one is never enough. Irresistible to any child.

Fine Silverium Calliper

+100 Trust EXP

A little calliper measuring tool, finely crafted from Silverium. Helps you get the measure of the situation, perhaps.

A little tiny and hence mostly for decoration, yet can precisely measure the smallest of distances.

Magician's Cards

+100 Trust EXP

A stunning flower-patterned set of playing cards. In the right hands, they can be shuffled and manoeuvred into dazzling houses of cards.

Also used in card tricks: on close inspection, hidden markers can be seen on their patterning, an unspoken understanding among magicians.

Unlocked by raising Trust

Companionship - Captain Kaboom×1

A Special Letter From Captain Kaboom×1

Interaction - Holding Hands×1

Trust level	Trust EXP	Running total	Preferred gifts	Rewards
Lv. 1	100	100	1	Ounce×5,000The Science of All Things: Volume I×3Companionship - Captain Kaboom×1
Lv. 2	150	250	3	Ounce×5,000The Science of All Things: Volume I×3A Special Letter From Captain Kaboom×1
Lv. 3	220	470	5	Ounce×5,000The Science of All Things: Volume I×3
Lv. 4	310	780	8	Ounce×5,000Paper Bookmark of Conspiracy×3Interaction - Holding Hands×1
Lv. 5	Max	780	8	Standard Shot×1Reactor Crystal×50

Lv. 5 is the cap, so it carries no further Trust EXP requirement. The running total counts each level's cost as you clear it.

Captain Kaboom Voice Lines

Every line Captain Kaboom speaks in game, with audio in all four dubs.

Daily

Character Quote

People say Kabooms bring bad news, but that's not true. We're good kids, keeping things lit bright!

Scattered Thoughts

Honest truth? Checking electrical faults is hard work... It really hurts when your finger gets a shock, but I'm a pro at it now!

Inner Feelings

Only really small and light kids can climb up the Spinotrodes, so UMI hires us. Once my coffers are full, I'm gonna climb to the very top of Silver Palace itself!

Greeting

Power within wires, cells then cables... Rats, no! Just practicing the Kaboom Team's catchphrase!

Outside the Detective's Office

Electric inspection! Show me your power lines... Hm, business as usual. All clear!

Casual Chat

What's the team doing right now...? Oh, we got a new kid on board. Better check if they need some help!

Riding: I

Riding's way faster than walking on my two feet... HEY, they're not that short!

Riding: II

This one trots like lightning. Won't it break the pony...?

Riding: Speeding Up

Charge!

Riding: Sudden Stop

Watch it...

Riding: Flying

Whoa, we're so high up! Higher than the highest Voltacell I've ever seen!

Lucky Find: I

Got any usable parts?

Lucky Find: II

Capital stuff! I'm gonna share it with the team!

Inspect

Where's the fault?

Expose

Got you, you nasty thing!

Battle

Battle Start: I

I'm blaming you for the botched job!

Battle Start: II

My shift has started! Gotta find and fix every hazard!

Tactical Assault: I

Oi, I've got a temper too!

Tactical Assault: II

A precise landing!

Entering Battle

Emergency rescue!

Skill

Watch me whoosh!

Parry

That was close!

Dodge

Ha, you missed!

Wounded

Ow, that hurts! UMI doesn't cover us for medical...

Exhausted

Hngh... You meanie...

Ultimate: I

If you can't fix it... BLOW IT TO PIECES!

Ultimate: II

Take a look at my secret weapon!

Execute: I

An emergency calls for emergency measures!

Execute: II

A few whacks will fix it!

Victory: I

Phewie... Another problem solved.

Victory: II

Gotta be patient fixing charging stations. Same for fixing people! That's Kaboom's big rule, pretty smart, huh?

Other

First Meeting

Captain Kaboom reporting for duty! Repairs, burnt fuse boxes, broken stoves, bad guys, you name it!

Preparation for Action: I

What am I this time? Captain or crew?

Preparation for Action: II

Multimeter, callipers... Everything's set!

Potential Growth

Go on, need any help? Uh... Don't feel right, getting paid for nothing.

Potential Break

Recharging complete! Time to show you what Captain Kaboom can do!

In Rain

I need to check if the Spinotrode has been properly waterproofed. Come on. Let's do this together.

Nighttime

Yaaawn... Need to stay awake for the night shift. Coffee? Blegh. I don't drink that bitter stuff.

Milk Punch

Number One likes hot, Three likes sweet, Six likes stinky cheese... Brilliant! Just enough change. Time to bring the crew some milk!

Potential Break Costs

Each Potential Break raises Captain Kaboom's level cap to the level shown. Taking Captain Kaboom through all 6 costs 134,400 Ounce plus Rectified Decay Concentrate, Quick Electrified Core, Fledgling Feather, Juvenile Feather, Hunter Feather and Quilled Feather. Captain Kaboom is Radiatio, so the Reactor Attribute material is Rectified Decay Concentrate.

Total for every Break shown

Rectified Decay Concentrate×47

Quick Electrified Core×111

Captain Kaboom Stats by Level

Key levels below. Drag the slider at the top of the page for any level from 1 to 80.

Level	HP	ATK	DEF
Lv. 1	696	74	24
Lv. 20	1,635	174	121
Lv. 30	2,262	241	195
Lv. 40	2,888	308	270
Lv. 50	3,514	375	344
Lv. 60	4,141	442	418
Lv. 70	4,767	509	493
Lv. 80	5,115	546	529

Stats, skills, Psyches and costs on this page: last checked 12 August 2026. Values can change as the game updates.

Team Synergies

Poise breaker that doubles as a crit carry

Strengths

Builds stun and her own damage from the same resource, so she can headline a team
Parry is built into the charge attack
Frees the fourth slot, since a team built around her needs no second poise breaker

Weaknesses

Crit-dependent, so she needs the gear and the buffs to reach her ceiling
No Radiatio support exists beyond Firtho

Best partners

Firtho

The only Radiatio pairing available, so Firtho's team Radiatio damage bonus is not wasted, and she heals through the on-field time Kaboom needs.

Red Rose

Kaboom's damage leans heavily on crit, so a CRIT DMG buffer serves her better than another poise breaker would.

Hugin

Both scale on crit, so one set of crit buffs covers both, and the Gravity Field holds targets in place for her spinning attacks.

Pro Tip: Check the team building guide for how the four slots, attribute sharing, and the Power budget fit together.

Captain Kaboom guides and lore

Everything on this site that covers Captain Kaboom, from build breakdowns to the lore behind the design.

News5 min

Captain Kaboom (Technician): Silver Palace Title Page

Silver Palace's Captain Kaboom is a confirmed 4-star Radiatio Break Suppressor: a United Mining Industry Technician with her full Pressure-based kit.

July 16, 2026

Theory10 min

Silver Palace United Mining Industry (UMI) Faction Guide

United Mining Industry rules Silvernia's reactor trade and unnerves the old aristocracy. Inside UMI's rise, its Black Knights, and members Kaboom and Bentham.

July 18, 2026