Brisshell Guide — Mongil

Last updated: October 19, 2026

Brisshell Guide collects build notes, tier position, skills, stats, teams, and related Mongil: Star Dive guides.

Brisshell

Doom's Lonely Herald

5★ EARTH Assassin Melee

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Quick Read

Role: Maindps / Support
Damage: 10 / 10
Support: High uptime 10% (20%) def shred at A1, Perma Earth afflict
Breaking: Poor at low A. Very good at A6
Field Time: 6 / 9 / 12 seconds

Community Analysis

Brisshell has some absolutely monstrous multipliers attached to an overall extremely powerful kit that applies permanent earth affliction and high 10 (20)% def shred uptime at A1+.

Out of the box, A0F1 Brisshell is better than Ellie A6 as maindps. Doesn't really have a support kit until A1 though. She's better in Reginula, just like all assassins, because Reginula staggers a lot. Can be played alongside Ellie, where Ellie effectively functions as the support to break boss and buff earth.

A1 is not amazing for maindpsing. Turns her supporting ability into Earth yeonhwa, where she can apply a effectively permanent 10% def shred, and can do Custos if desired. Very good. When played with Ellie, now Ellie is the main on field dps, and Brisshell just does her ESS the whole time.

A2 has a QoL buff that doesn't really give you any more ESS. It does also give you 80% BA damage, which is a MASSIVE buff to her maindps power as well as her dps as a support during stuns, as she's on field and basic attacking during those.

A4 buffs Brisshell's DEF shred to 20% and gives her a big personal damage boost. One should aim for this if aiming to push void+ conquest of any element.

And obviously one only needs to glance A6 to see how strong it is.

PULL A0 if you dont or cant play Ellie
PULL A1 if you want a earth Yeonhwa for any reason
PULL A2 if you want to maindps Brisshell
PULL A4 if you wanna push conquests

skip if you just want to 800k reginula. Ellie does it trivially easy at A4

Sig is also powerful universally. The atk boost and support/switch skill damage boost are universal. Currently might be useful on Yeon and Angel. Might be useful on more in the future.

Tier Position

Low Investment

High Investment

T0.5

Max Investment

T0.5

Investment Scores

Ascension 08 / 10

Ascension 610 / 10

Playstyles and Builds

Support

A1 for that juicy def shred support A2 / A4 / A6 all good damage boosts

Skill Priority
BA = Support > Special > Ult

Equipment

Vanguard of Victory

2-piece Target's Elemental Weakness DMG taken +10% for 5s upon attacking an enemy with Earth Affliction

Sirius

2-piece All teammates' Earth DMG +7.5% for 5s upon using a Support Skill
4-piece Support DMG +7.5% for 5s upon using a Switch Skill

West Wind

2-piece Earth DMG +8% for 3s upon using a Basic Attack
4-piece Earth DMG +10% for 5s upon using a Switch Skill on an enemy with Earth Affliction

Use full Duoxini for maindps
Use 2/2 vanguard and sirius for support

Rotations

Special > EBAs (repeat if desired or swap out)

If you have A2, you may fight it better to cancel out of your special with a dash to perform more EBAs

Profile

Brisshell is a powerful extraterrestrial being, yet she hides her true identity in order to befriend humans. She longs to make friends, but when someone actually reaches out to her, she gets shy and runs away.

#AttentionSeeker#Timid#TongueTied#EldritchGod

Birthday: August 13
Height / Weight: 156cm / 45kg
Hometown: Somewhere in the Void
Likes: Humans, Attention, Alfred
Dislikes: Social butterflies, Adults, Too much attention

Basic Information

Name: Brisshell
Element: EARTH
Role: Assassin
Attack Range: Melee
Rarity: 5★ (SSR)

Stats

Grade Lv.1

HP756

ATK112

DEF38

Groggy DMG15

Brawler0

Signature Artifact

Monstrous Longing

Skills

Lv.1

My First Friend AlfredNormal_ATK

Brisshell swings Alfred and strikes down, dealing Physical DMG to enemies in front of her.

Brisshell's Basic Attack is enhanced when Attention Overload is active, causing Alfred to pursue enemies, unleashing a series of bites and slashes that deal Earth DMG.

All Elemental RES also increases by a portion of Suppression DMG while using this skill, but it doesn't increase above a set maximum.

1st Hit DMG: 34.3%2nd Hit DMG: 64.8%3rd Hit DMG: 61.9%4th Hit DMG: 71.5%1st Enhanced Hit DMG: 113.7%2nd Enhanced Hit DMG: 174.6%3rd Enhanced Hit DMG: 112.6%Enhanced 4th Hit DMG: 232.9%Charge Attack DMG: 54.8%Enhanced Charge Attack DMG: 65.0%Air Counter DMG: 63.8%Evasion Counter DMG: 82.3%Enhanced Evasion Counter DMG: 192.0%

Upgrade Requirements

Total Requirements (Lv.1 to 16)

78.500

Alfred RushActive01

Alfred is now out of control and charges forward, viciously biting and tearing through enemies to deal Earth DMG.The duration of Attention Overload also increases.

Brisshell slams Alfred into the ground to forcibly calm him down, then strikes again with Alien Power, dealing Earth DMG.

Mangle DMG: 272.1%Slam Down DMG: 205.2%Alien Power DMG: 205.2%Cooldown: 13.5s

Upgrade Requirements

Total Requirements (Lv.1 to 16)

78.500

Anxiety BurstUltimate

Overwhelmed with anxiety, Brisshell is unable to control her powers, causingAlien Power to explode around her, dealing Earth DMG and inflicting Earth Affliction.

Alien Power Explosion DMG: 751.5%Cooldown: 3.0s

Upgrade Requirements

Total Requirements (Lv.1 to 16)

78.500

Here I Come!Skill_Tag

Brisshell swings Alfred in wide arc, dealing Earth DMG to nearby enemies.

Using her Switch Skill after triggering her Support Skill enhances the skill, sending Alfred into a frenzy. Alfred charges at the enemy, then swiftly maneuvers, trampling them and dealing Earth DMG.

[Support Skill]
When a teammate lands a Basic Attack or Special Skill, Brisshell enters the field, striking Alfred into the ground. She deals Earth DMG to nearby enemies, then inflicts Earth Affliction.

If Brisshell switches out without using her Enhanced Basic Attack while Attention Overload is active, her Enhanced Support Skill is fully charged.

[Enhanced Support Skill]
Alfred pursues the enemy, unleashing a series of bites and slashes that deal Earth DMG, then inflicts Earth Affliction.

Brisshell's Enhanced Support Skill isn't affected by her Support Skill Cooldown and can be triggered based on the number of charges. Also, while using the Enhanced Support Skill, Attention Overload remains active regardless of its usual duration.

Switch Skill DMG: 119.1%Enhanced Switch Skill DMG: 278.0%Support Skill DMG: 146.6%1st Enhanced Support Skill DMG: 293.2%2nd Enhanced Support Skill DMG: 293.2%

Upgrade Requirements

Total Requirements (Lv.1 to 16)

78.500

Attention OverloadPassive

Brisshell gains Attention Overload upon using her Switch Skill or Ultimate Skill.

Inflicts DEF Reduction on enemies upon landing attacks with Alien Power.

Ascensions

+1Lv.20 to 30

30.000

120Basic Assassin Coin

+2Lv.30 to 40

60.000

8Standard Assassin Coin

+3Lv.40 to 50

120.000

6Greater Assassin Coin

+4Lv.50 to 60

250.000

4Superior Assassin Coin

Canto

I Need to Go Easy...

Upon using Brisshell's Enhanced Basic Attack's 2nd or 4th Hit, or her Enhanced Support Skill's 1st or 2nd Hit, she strikes the ground with Alien Power, dealing Bonus DMG equal to 30% of the Attack DMG to the enemy.

Enhanced Switch Skill DMG increases by 50%.

Requirement

1Seed of Destiny - Brisshell

Tear Them Apart! Alfred!

While Attention Overload is active, Brisshell's Enhanced Support Skill charges upon switching to another character, even if her Enhanced Basic Attack is used.

Increases Brisshell's Enhanced Basic Attack DMG by 80% and Enhanced Support Skill DMG by 40%. This effect does not work for Alien Power.

Requirement

1Seed of Destiny - Brisshell

Affinity with Alfred

The skill levels of the Basic Attack, Switch Skill, Special Skill, and Ultimate Skill increase by 2.

Increases Basic Attack DMG by 6%.

Requirement

1Seed of Destiny - Brisshell

Destruction Is Easier than Creation

DEF Reduction increases to 20% upon landing an attack with Alien Power on an enemy.

DMG from Alien Power increases by80%.

Requirement

1Seed of Destiny - Brisshell

Bond with Alfred

The skill levels of the Basic Attack, Switch Skill, Special Skill, and Ultimate Skill increase by 2.

Increases Switch Skill DMG by 6%. (Support Skill and Tag-out Skill excluded)

Requirement

1Seed of Destiny - Brisshell

Fear of the Unknown

Attention Overload's ATK Boost increases to 45% and Suppression DMG Boost increases to %.

Upon gaining Attention Overload, Brisshell gains an effect that increases DMG against boss enemies by 24% of her Suppression DMG Boost, up to 15%. (Duration: 6 sec)

Tear Them Apart! Alfred! is enhanced, increasing Enhanced Basic Attack DMG to 160% and Enhanced Support Skill DMG to 80%. This effect does not apply to Alien Power.

Requirement

1Seed of Destiny - Brisshell

Story

Eldritch God, Void Wanderer #1

The lonely god came into being as an eldritch divinity drifting through the void between dimensions.

She spent an eternity there, years passing like seconds, and yet in all her wandering, she never met a single other sentient being amidst the void.

Lonely as she was, it was hard to know if she was truly alive... or just existing, floating in space like a burning star or a rogue planet.

Eldritch God, Void Wanderer #2

Then, one day, the lonely god discovered the world of Belana and heard the laughter of its inhabitants. Filled with great anticipation at realizing intelligent beings existed beyond herself, she immediately set course the little planet.

However, there was one fact that she failed to consider. Her physical form was massive, and its appearance frightened these new beings. They would either faint or flee in terror at the mere sight of her.

Until that moment, the lonely god had never given much thought to herself... and watching people recoil in horror and run away at the sight of her hurt her deeply. In time, she even came to hate herself.

I Want Attention, Too! #1

Now that she knew just how loathsome her appearance was, the lonely god spent time secretly observing the people of Belana to learn more about their society and culture. She took on a new form—cute, young, human enough—and, after months of deliberation, gave herself the name "Brisshell".

Surely now she was ready to get out there and make friends! She tried to blend in and mingle with the populace, but actually putting all her studying into practice proved far more difficult than she could have imagined.

Brisshell just couldn't shake the trauma of her first encounters and how much she'd frightened people. They'd left her confidence shattered! People weren't afraid of her new appearance, but she still felt the need to rush to apologize and burst into tears at the smallest possible upset, which put a real damper on her efforts to make friends.

I Want Attention, Too! #2

Nevertheless, Brisshell wanted to fit in, and instead of giving up, she redoubled her efforts.

However, her efforts were misguided and focused on what she thought would make people like her instead of based on real personal reflection. For example, she realized that being "hurt" made people want to take care of her, so she became clumsier, and she started wearing flashier clothes so people would have to notice her.

Alfred, the First Friend #1

Despite her best efforts, Brisshell ultimately failed to make any friends on Belana. She concluded that her inability to make friends stemmed from her lack of practice having conversations.

However, she was too scared to ask a random person to help her practice talking, so she decided to create a creature to act as her practice partner.

Her plan was to break off one of her tentacles and shape it into a cute puppy, but even that went awry, resulting in a grotesque creature with a long snout and vicious teeth.

Alfred, the First Friend #2

Even if it wasn't a puppy, her creation was still alive, and Brisshell decided it would be a sufficient conversational partner. All friends needed names, and so she decided its would be 「Alfred」.

Alfred tried to run wild on his own, so Brisshell attached a handle to his rear end for easy carrying and control (she thought of it as more of a tail than a handle). Alfred lacked the intelligence to respond to Brisshell with words, but he still reacted to what he heard, making him perfect for Brisshell to practice talking to.

And so, Brisshell found herself in possession of her very first friend—and a terrifying weapon that could devour people whole at the slightest provocation.

Kind but Bad

Now equipped with Alfred, her first friend (and weapon), Brisshell resolved that she would protect people from monster and bandit attacks.

But even that didn't go as planned. She was unable to control even her own power, let alone Alfred's, and every time she swung Alfred in an attempt to save someone, she devastated the surrounding area and left the people she was trying to save even worse off than before she got involved.

Realizing that the harder she tried, the more people she hurt, Brisshell retreated once more into the depths of the forest. There, alone, she began training to master her power.

Brisshell Guide — Mongil

Brisshell

Quick Read

Community Analysis

Tier Position

Investment Scores

Playstyles and Builds

Support

Rotations

Profile

Basic Information

Stats

Signature Artifact

Skills

Total Requirements (Lv.1 to 16)

Total Requirements (Lv.1 to 16)

Total Requirements (Lv.1 to 16)

Total Requirements (Lv.1 to 16)

Ascensions

Canto

Story

Also featured in

Team Composition Guide

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