Brume
6★

Brume

Beast 6★ Arcanist
About Brume

Brume is a 6★ Beast Arcanist in Reverse: 1999. Below are the exact Insight materials needed to ascend them, plus other Beast Arcanists to build alongside.

Data updated: 2026-07-11

Brume — Review & Analysis

Brume

Brume is a Mental DMG carry (Beast, 6★, S+ tier) built around stacking Thermoelectric Conversion: every turn, and whenever the team injects Electric Chargeor inflicts Burnon enemies, she accrues more stacks, which convert into Moxie and burst damage. Her Ultimate deals 750% single-target Mental DMG and, once enough stacks are consumed, fires an extra Final Settlementfor up to 400% additional damage. She doubles as a team-wide enabler: Truth Temperedturns every ally hit into Disguise Dissolved, so she carries damage while lifting the whole squad.

Strengths
  • 750% single-target Mental DMG Ultimate plus a Final Settlementworth up to 400% extra once enough stacks build — a very high burst ceiling.
  • Self-fuels Moxie: every 15 stacks of Thermoelectric Conversiongrant +1 Moxie and 5 stacks of Electric Charge, cutting reliance on outside energy.
  • Team-wide enabler: Truth Temperedcovers the whole squad, turning every hit into Disguise Dissolved; synergizes with Electric Chargeand Burncomps.
Weaknesses
  • Damage is ramp-dependent: Final Settlementonly fires after at least 40 stacks of Thermoelectric Conversionare consumed, so early turns are weak and hinge on stacking tempo.
  • The Ultimate is single-target only, and her Beast Afflatus is countered by Mineral — Mineral enemies cut into her output.
Build Priority

Level the Ultimate first — it is her main damage source (750% plus the stack-scaling Final Settlement) — then Breath of Truth to keep Truth Tempereduptime for the team. Since Brume self-generates Moxie, favor an ATK / DMG / crit-oriented Psychube to push her burst ceiling rather than an energy-recovery piece; prioritize leveling and resonance to unlock the Insight Lv.3 breakpoint.

Overview

Rarity
6★
Afflatus
Beast
Birthday
December 19
Official Names
JA: グレイッシュブルーKO: 브룸ZH-TW: 灰調藍
Afflatus Matchups
↑ Strong against
Plant
↓ Weak to
Mineral

Base Stats (max level)

Stats at Insight III, max level — from datamined values.
HP5,706
ATK1,051
Reality DEF475
Mental DEF501
Stats across Insight milestones
Base Stats (max level) Lv.1Lv.30Insight 1 · Lv.40Insight 2 · Lv.50Insight 3 · Lv.60
HP 1,4042,1323,3864,9535,706
ATK 2593936249121,051
Reality DEF 117178282413475
Mental DEF 123187297435501

Brume — Skills & Incantations

Full skill kit with values per upgrade tier.
Impromptu Journey / Long-Distance Planning Incantation

“Insight II: 1-target attack. Deals 300% Mental DMG. After attacking, gains 【Crystalline Discharge】 for 3 rounds.”

Insight 0: Choose 1 out of rank 1 Improvised Detour and Calculated Path.
Insight I: Choose 1 out of rank 2 Improvised Detour and Calculated Path.
Insight II: 1-target attack. Deals 300% Mental DMG. After attacking, gains Crystalline Discharge for 3 rounds.
Breath of Truth Incantation

“Insight II: Mass buff. Gains 20 stacks of 【Thermoelectric Conversion】. Grants 【Truth Tempered】 to all allies for 2 rounds. Whenever an ally with 【Truth Tempered】 attacks, inflict 2 stacks of 【Disguise Dissolved】 for 2 rounds on the target hit; if the attack is an extra action, inflict 2 additional stacks.”

Insight 0: Mass buff. Gains 10 stacks of Thermoelectric Conversion. Grants Truth Tempered to all allies for 2 rounds. Whenever an ally with Truth Tempered attacks, inflict 2 stacks of Disguise Dissolved for 2 rounds on the target hit; if the attack is an extra action, inflict 2 additional stacks.
Insight I: Mass buff. Gains 15 stacks of Thermoelectric Conversion. Grants Truth Tempered to all allies for 2 rounds. Whenever an ally with Truth Tempered attacks, inflict 2 stacks of Disguise Dissolved for 2 rounds on the target hit; if the attack is an extra action, inflict 2 additional stacks.
Insight II: Mass buff. Gains 20 stacks of Thermoelectric Conversion. Grants Truth Tempered to all allies for 2 rounds. Whenever an ally with Truth Tempered attacks, inflict 2 stacks of Disguise Dissolved for 2 rounds on the target hit; if the attack is an extra action, inflict 2 additional stacks.
Heroic Deeds Are Born of Circumstance Ultimate

“Insight II: 1-target attack. Deals 750% Mental DMG. Gains 10 stacks of 【Thermoelectric Conversion】. Increases the duration of 【Truth Tempered】 on all allies by 1 round. Inflicts 【Freeloader】 for 1 round and 10 stacks of 【Burn】 on the target hit.”

Insight 0: 1-target attack. Deals 750% Mental DMG. Gains 10 stacks of Thermoelectric Conversion. Increases the duration of Truth Tempered on allies by 1 round. After attacking, inflicts 10 stacks of Burn and inflicts Freeloader for 1 round.
Insight I: 1-target attack. Deals 750% Mental DMG. Gains 10 stacks of Thermoelectric Conversion. All allies' Truth Tempered lasts +1 round. Inflicts Freeloader for 1 round and 10 stacks of Burn on the target hit.
Insight II: 1-target attack. Deals 750% Mental DMG. Gains 10 stacks of Thermoelectric Conversion. Increases the duration of Truth Tempered on all allies by 1 round. Inflicts Freeloader for 1 round and 10 stacks of Burn on the target hit.
Insight Incantation

“Insight III:”

Insight I:
Insight II:
Insight III:

Skill Quotes

Official flavor quotes tied to each of Brume's skill ranks, sourced directly from the game.

“She's in a good mood today, with cheerful singing drifting from the back seat.”

— Improvised Detour

“A blazing flame.”

— Testing Flame

“A blazing flame of truth.”

— Testing Flame

“A blazing flame of truth—the harbinger of doom for all that is false.”

— Testing Flame

“We stand together as the heroes of this story, and none of us intends to die at the end.”

— Thrown Into Heroics

Insight Materials

Exact materials to raise this Arcanist's Insight level.
Insight 1
Sharpodonty × 18,000
Page of Beastly Thirst · +36 other characters also need this × 6
Shattered Bones · +68 other characters also need this × 6
Spell of Fortune · +85 other characters also need this × 6
Insight 2
Sharpodonty × 40,000
Scroll of Beastly Thirst · +36 other characters also need this × 10
Perpetual Cog · +36 other characters also need this × 5
Holy Silver · +121 other characters also need this × 5
Insight 3
Sharpodonty × 200,000
Tome of Beastly Thirst · +27 other characters also need this × 16
Bogeyman · +75 other characters also need this × 5
Mistilteinn · +65 other characters also need this × 3

Resonance Materials

Materials to build out the Resonance tuning grid.
All 14 Resonance levels
Resonance 2
Moment of Dissonance · +128 other characters also need this × 5
Resonance 3
Moment of Dissonance · +128 other characters also need this × 5
Magnesia Crystal · +81 other characters also need this × 4
Resonance 4
Moment of Dissonance · +128 other characters also need this × 5
Shattered Bones · +68 other characters also need this × 4
Solidus · +128 other characters also need this × 3
Resonance 5
Brief Cacophony · +128 other characters also need this × 5
Liquefied Terror · +96 other characters also need this × 3
Rough Silver Ingot · +85 other characters also need this × 4
Resonance 6
Sharpodonty × 30,000
Brief Cacophony · +128 other characters also need this × 5
Clawed Pendulum · +84 other characters also need this × 3
Resonance 7
Brief Cacophony · +128 other characters also need this × 6
Prophetic Bird · +111 other characters also need this × 5
Resonance 8
Brief Cacophony · +128 other characters also need this × 6
Holy Silver · +121 other characters also need this × 4
Cicada Wings · +45 other characters also need this × 5
Resonance 9
Brief Cacophony · +128 other characters also need this × 8
Biting Box · +126 other characters also need this × 4
Perpetual Cog · +36 other characters also need this × 4
Resonance 10
Sinuous Howl · +45 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 5
Bifurcated Skeleton · +117 other characters also need this × 8
Red Lacquer Tablet × 6
Resonance 11
Sinuous Howl · +45 other characters also need this × 1
Sharpodonty × 120,000
Sonorous Knell · +128 other characters also need this × 5
Platinum Ouija · +59 other characters also need this × 4
Resonance 12
Sinuous Howl · +45 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 6
Jadeite Tablet × 4
Golden Herb Incense × 5
Resonance 13
Sinuous Howl · +45 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 6
Silver Bullet · +60 other characters also need this × 5
Winged Key · +54 other characters also need this × 6
Resonance 14
Sinuous Howl · +45 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 8
Mistilteinn · +65 other characters also need this × 2
Watch Core · +38 other characters also need this × 4
Resonance 15
Sinuous Howl · +45 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 8
Rhine Gold × 3
Bogeyman · +75 other characters also need this × 4

Recommended Psychubes

Psychubes recommended to equip on Brume, based on community builds.

Where to Get

Featured in 2 banner(s).
Yearning 3.5 · Special Banner · v3.5 2026-06-01
The Brilliance Within · Event Banner · v3.2 2026-02-12

Where to Get →

Teams with Brume

Beast Burn Engine · Burn

Brume, Lopera and Lorentz Butterfly all carry the Burn tag — stacking Burn from three sources shortens the time-to-kill on a single target far more than one Burn dealer alone. Yenisei rounds the team out with Shield + Heal + Moxie support so the DoT window survives longer. None of the four needs a Euphoria to function.

Teams →
Burn/Crit Overload · Burn

Isolde and Spathodea both pair Burn with Crit — igniting a target then critting the burning DoT window multiplies total damage. J adds a second Burn tag plus Shield/Riposte for frontline durability. Yenisei sustains. Isolde, J and Spathodea all require their Euphoria to reach this ceiling.

Teams →
Glow Momentum · Glow

Lorentz Butterfly, Beryl and Marsha all tap into Glow together with Crit — combining it across three kits at once outperforms any single carry doing it alone. Yenisei keeps the line-up alive with Heal so that payoff has time to land.

Teams →

Where to next

More Beast Arcanists

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