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The Dahlia — Fire Nihility character | Honkai: Star Rail

The Cremators

The Dahlia

Build guide · Honkai: Star Rail

5-star
FireNihilitySub DPS

English voice: Cristina Vee

The best The Dahlia build in Honkai: Star Rail (Version 4.4) is Never Forget Her Flame with Iron Cavalry Against the Scourge. Updated August 28, 2026

Where these rankings come fromThe light cone order, relic sets and stat priorities on this tab are prydwen.gg’s, measured in play and rephrased. Relative damage figures are ratios against the bottom of each ranking, not absolute numbers, and each one holds only for the superimposition and team its row states. Everything else — base stats, passive text, material totals — is read from the game’s own data.

Light cones

Relics

Planar ornaments

Main stats

Body
HP% / Effect HIT Rate
Feet
Speed
Planar Sphere
HP% / DEF%
Link Rope
Energy Regen Rate / Break Effect

Substat priority

  1. 1SPDBest
  2. 2Break Effect
  3. 3HP%/DEF%
  4. 4Effect RES

Trace priority

  1. #1

    Talent

    Max first

  2. #2

    Ultimate

    Then

  3. #3

    Skill

    Next

  4. #4

    Basic ATK

    Later

Best Eidolons

  1. The Dahlia E1 When a Bud Readies to Bloom — Eidolon | Honkai: Star RailE1
  2. The Dahlia E2 Fresh, Ethereal, and Beloved — Eidolon | Honkai: Star RailE2
  3. The Dahlia E3 Pity Its Petals Thin as Mist — Eidolon | Honkai: Star RailE3
  4. The Dahlia E4 Pity Its Heart Gnawed by Worms — Eidolon | Honkai: Star RailE4
  5. The Dahlia E5 Fallen, Decayed, and Despised — Eidolon | Honkai: Star RailE5
  6. The Dahlia E6 And Yet, Always, Deathly Beautiful — Eidolon | Honkai: Star RailE6
  1. The Dahlia E1 When a Bud Readies to Bloom — Eidolon | Honkai: Star RailE1

    When a Bud Readies to Bloom

    Game text

    The Super Break DMG multiplier provided by Talent to "Dance Partners" now applies to all ally characters, with "Dance Partners" additionally receiving a 40% boost. After "Dance Partners" use an attack, additionally deals the attacked enemy targets a fixed amount of Toughness Reduction equal to 25% of their Max Toughness (minimum 10, maximum 300). This effect can only trigger once per enemy target, and this trigger count resets after the enemy target receives a killing blow.

  2. The Dahlia E2 Fresh, Ethereal, and Beloved — Eidolon | Honkai: Star RailE2

    Fresh, Ethereal, and Beloved

    Game text

    When The Dahlia is on the field, decreases all enemies' All-Type RES by 20%. When an enemy target enters the field, immediately inflicts "Wilt" on them, lasting for 3 turn(s).

  3. The Dahlia E4 Pity Its Heart Gnawed by Worms — Eidolon | Honkai: Star RailE4

    Pity Its Heart Gnawed by Worms

    Game text

    Increases the number of DMG instances dealt by Talent's Follow-Up ATK by 5. Upon its use, the DMG taken by all enemy targets increases by 12%, lasting for 2 turn(s).

  4. The Dahlia E6 And Yet, Always, Deathly Beautiful — Eidolon | Honkai: Star RailE6

    And Yet, Always, Deathly Beautiful

    Game text

    Increases Dance Partners' Break Effect by 150%. When using Talent's Follow-Up ATK, advances the next action of all "Dance Partners" by 20%.

Teams

Mortenax Blade team

Fire · NihilityPlays Nihility partner

He taunts, spends his own HP for a Zone that shreds DEF, and scales on Max HP — a carry that needs a healer more than it needs a second buffer.

  1. Mortenax Blade — Fire Nihility character | Honkai: Star RailMortenax BladeMain DPS
  2. The Dahlia — Fire Nihility character | Honkai: Star RailThe Dahlia — this characterNihility partner
  3. Tribbie — Quantum Harmony character | Honkai: Star RailTribbieHarmony buffer
  4. Hyacine — Wind Remembrance character | Honkai: Star RailHyacineSustain

Firefly team

Fire · BreakStands in for Fugue

A Break Effect carry with two Harmony units that raise Break damage and Weakness Break efficiency, and a sustain that keeps Break uptime rather than adding damage.

  1. Firefly — Fire Destruction character | Honkai: Star RailFireflyMain DPS
  2. Ruan Mei — Ice Harmony character | Honkai: Star RailRuan MeiBreak amplifier
  3. Fugue — Fire Nihility character | Honkai: Star RailFugueWeakness implantor The Dahlia
  4. Lingsha — Fire Abundance character | Honkai: Star RailLingshaSustain · Break

Boothill team

Physical · BreakStands in for Ruan Mei

A single-target Break carry: one Harmony unit raises Break damage, one implants the Weakness he needs, and the sustain is the one that also breaks.

  1. Boothill — Physical The Hunt character | Honkai: Star RailBoothillMain DPS
  2. Ruan Mei — Ice Harmony character | Honkai: Star RailRuan MeiBreak amplifieror The Dahlia
  3. Fugue — Fire Nihility character | Honkai: Star RailFugueWeakness implant
  4. Gallagher — Fire Abundance character | Honkai: Star RailGallagherSustain · Break

Rappa team

Imaginary · BreakStands in for Ruan Mei

Break damage across a whole wave rather than one target, so both Harmony slots go to Break amplification and the sustain adds Break of its own.

  1. Rappa — Imaginary Erudition character | Honkai: Star RailRappaMain DPS
  2. Ruan Mei — Ice Harmony character | Honkai: Star RailRuan MeiBreak amplifieror The Dahlia
  3. Trailblazer (Harmony) — Imaginary Harmony character | Honkai: Star RailTrailblazer (Harmony)Break support
  4. Lingsha — Fire Abundance character | Honkai: Star RailLingshaSustain · Break

Himeko team

Fire · BreakStands in for Ruan Mei

Himeko follows up whenever an enemy is Broken, which turns the standard-warp Erudition unit into a Break team’s damage dealer at no pull cost.

  1. Himeko — Fire Erudition character | Honkai: Star RailHimekoMain DPS
  2. Ruan Mei — Ice Harmony character | Honkai: Star RailRuan MeiBreak amplifieror The Dahlia
  3. Trailblazer (Harmony) — Imaginary Harmony character | Honkai: Star RailTrailblazer (Harmony)Break support
  4. Gallagher — Fire Abundance character | Honkai: Star RailGallagherSustain · Break

All teams, with every replacement

Honkai: Star Rail 5★ Fire Nihility Sub DPS

The Dahlia build summary

Updated August 28, 2026

Never Forget Her Flame tops the light cone ranking for The Dahlia at S1, ahead of Long Road Leads Home, Lies Dance on the Breeze and Resolution Shines As Pearls of Sweat. That order is prydwen.gg's, measured in play and rephrased here; every row of it sits under Light cones below.

Run Iron Cavalry Against the Scourge on The Dahlia, with Thief of Shooting Meteor and Sacerdos' Relived Ordeal behind it. The planar ornament is Forge of the Kalpagni Lantern. Main stats are HP% / Effect HIT Rate body, Speed feet, HP% / DEF% sphere, Energy Regen Rate / Break Effect rope. Roll substats in the order SPD > Break Effect > HP%/DEF% > Effect RES.

Trace priority is Talent > Ultimate > Skill > Basic ATK. The Ultimate costs 130 energy, which is what an Energy Regeneration Rate target has to clear.

The Dahlia plays Nihility partner in the Mortenax Blade team, alongside Mortenax Blade, Tribbie and Hyacine.

Role
Sub DPS / Support
Best light cone
Never Forget Her Flame
Main stats
HP% / Effect HIT Rate body, Speed feet, HP% / DEF% sphere, Energy Regen Rate / Break Effect rope
Substat priority
SPD > Break Effect > HP%/DEF% > Effect RES
Trace priority
Talent > Ultimate > Skill > Basic ATK
Best team
Mortenax Blade, The Dahlia, Tribbie, Hyacine
Ultimate energy cost
130 energy
Key ascension material
65× Radiant Prominence
Last updated
August 28, 2026

Abilities

The Dahlia Fiddle... Fissured Memory — basic atk icon | Honkai: Star Rail
Basic

Fiddle... Fissured Memory

  • Single Target
  • +20 energy
  • 30 Toughness

Deals Fire DMG equal to 100% of The Dahlia's ATK to one designated enemy.

Ability level

6 is the cap from trace materials; Eidolons add the rest.

Basic ATK DMG
100%
All 10 levels
Attribute12345678910
Basic ATK DMG50%60%70%80%90%100%110%120%130%140%
The Dahlia Lick... Enkindled Betrayal — skill icon | Honkai: Star Rail
Skill

Lick... Enkindled Betrayal

  • Blast
  • +30 energy
  • 30 Toughness

Deploys a Zone that lasts for 3 turn(s). This duration decreases by 1 at the start of The Dahlia's turn. Then, deals Fire DMG equal to 160% of The Dahlia's ATK to one designated enemy and their adjacent targets. While the Zone lasts, increases all allies' Weakness Break Efficiency by 50%. Toughness Reduction taken by enemy targets while not Weakness Broken can also be converted into Super Break DMG.

Ability level

10 is the cap from trace materials; Eidolons add the rest.

Skill DMG
160%
All 15 levels
Attribute123456789101112131415
Skill DMG80%88%96%104%112%120%130%140%150%160%168%176%184%192%200%
The Dahlia Wallow... Entombed Ash — ultimate icon | Honkai: Star Rail
Ultimate

Wallow... Entombed Ash

  • AoE
  • +5 energy
  • 60 Toughness

Inflicts a "Wilt" state on all enemies, lasting for 4 turn(s). Then, deals Fire DMG equal to 300% of The Dahlia's ATK, which is distributed evenly across all enemies. Enemy targets in the "Wilt" state have their DEF reduced by 18.0% and will be implanted with Weakness of all Dance Partners' Types.

Ability level

10 is the cap from trace materials; Eidolons add the rest.

Ultimate DMG
300%
Reduction
18.0%
All 15 levels
Attribute123456789101112131415
Ultimate DMG180%192%204%216%228%240%255%270%285%300%312%324%336%348%360%
Reduction8.0%9.0%10.0%11.0%12.0%13.0%14.2%15.5%16.8%18.0%19.0%20.0%21.0%22.0%23.0%
The Dahlia Who's Afraid of Constance? — talent icon | Honkai: Star Rail
Talent

Who's Afraid of Constance?

  • Bounce
  • +2 energy
  • 9 Toughness

When entering combat, The Dahlia regenerates 35 Energy and becomes "Dance Partners" along with the teammate that triggered combat. Whenever there is no other "Dance Partner" on the field, this unit and the teammate with the highest Break Effect become "Dance Partners" together. After a "Dance Partner" attacks a Weakness Broken enemy target, the Toughness Reduction from this attack will be converted into 1 instance of Super Break DMG at 60%. After an enemy target gets attacked by the other "Dance Partner," The Dahlia launches Follow-Up ATK and deals 5 instance(s) of DMG, each dealing Fire DMG equal to 30% of The Dahlia's ATK to one random enemy. After each instance of DMG dealt to a Weakness Broken enemy target, the Toughness Reduction from this DMG will be converted into 1 instance of Super Break DMG at 200%. This effect can only trigger once per turn. If the target is defeated before the Follow-Up ATK is used, it will be launched at one random enemy instead.

Ability level

10 is the cap from trace materials; Eidolons add the rest.

Talent DMG
60%
Follow-Up DMG
30%
Talent DMG (2)
200%
All 15 levels
Attribute123456789101112131415
Talent DMG30%33%36%39%42%45%49%53%56%60%63%66%69%72%75%
Follow-Up DMG15%17%18%20%21%23%24%26%28%30%32%33%35%36%38%
Talent DMG (2)100%110%120%130%140%150%163%175%188%200%210%220%230%240%250%

Technique and fixed effects

The Dahlia The Heart Makes the Finest Tomb — technique icon | Honkai: Star Rail
Technique

The Heart Makes the Finest Tomb

  • Impair

After using Technique, creates a Special Dimension that lasts for 20 second(s). Enemies within this dimension will not actively attack ally targets. After entering combat with enemies in the Special Dimension, The Dahlia immediately deploys her Skill's Zone, and converts the combat-triggering Toughness Reduction into 1 instance of Super Break DMG at 60% against enemy targets that are Weakness Broken. Only 1 Dimension Effect created by allies can exist at the same time.

Bonus Abilities

  1. The Dahlia Yet Another Funeral — Bonus Ability icon | Honkai: Star RailA2

    Yet Another Funeral

    When entering combat, increases other characters' Break Effect by an amount equal to 24% of The Dahlia's Break Effect plus 50%, lasting for 1 turn(s). When The Dahlia receives healing or a Shield provided by a teammate, this effect triggers again, lasting for 3 turn(s). Cannot trigger repeatedly within one turn.

  2. The Dahlia Lament, Lost Soul — Bonus Ability icon | Honkai: Star RailA4

    Lament, Lost Soul

    When using Talent's Follow-Up ATK, recovers 1 Skill Point for allies. For every 2 instance(s) of Talent's Follow-Up ATK used, this effect can trigger once.

  3. The Dahlia Outgrow the Old, Espouse the New — Bonus Ability icon | Honkai: Star RailA6

    Outgrow the Old, Espouse the New

    When an ally target adds Weakness to an enemy target, increases SPD by 30% for 2 turn(s). If a Fire ally character has implanted a Weakness when using an attack, then after the attack, additionally deals a fixed amount of 20 Fire Toughness Reduction to every target implanted with Weakness. Also, regenerates Energy equal to 10% of Max Energy. This effect can regenerate Energy up to 50% of Max Energy.

Stat traces

Break Effect
37.3%
Effect RES
18.0%
SPD
5

Totals at full unlock, summed across every node of that stat. Ascension rank gates the nodes as it gates the Bonus Abilities above.

Full bill

Level 80 and every ability maxed

2,265,500

Credits 12 material lines

Ascension to 80

308,000

Credits 4 materials · 6 steps

All 3 abilities maxed

1,957,500

Credits 3× the single-ability bill

Ascension

  1. Lv 30
    Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×5

    4,000Credits

  2. Lv 40
    Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×10

    8,000Credits

  3. Lv 50
    Radiant Prominence — ascension material | Honkai: Star RailRadiant Prominence ×3
    Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×6

    16,000Credits

  4. Lv 60
    Radiant Prominence — ascension material | Honkai: Star RailRadiant Prominence ×7
    Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×9

    40,000Credits

  5. Lv 70
    Radiant Prominence — ascension material | Honkai: Star RailRadiant Prominence ×20
    Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×6

    80,000Credits

  6. Lv 80
    Radiant Prominence — ascension material | Honkai: Star RailRadiant Prominence ×35
    Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×9

    160,000Credits

Total to level 80

308,000 Credits

Radiant Prominence — ascension material | Honkai: Star RailRadiant Prominence ×65
Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×15
Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×15
Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×15

Trace materials

  1. → 2
    Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×3

    2,500Credits

  2. → 3
    Fiery Spirit — ascension material | Honkai: Star RailFiery Spirit ×3
    Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×6

    5,000Credits

  3. → 4
    Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×3
    Starfire Essence — ascension material | Honkai: Star RailStarfire Essence ×3

    10,000Credits

  4. → 5
    Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×4
    Starfire Essence — ascension material | Honkai: Star RailStarfire Essence ×5

    20,000Credits

  5. → 6
    Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×6
    Starfire Essence — ascension material | Honkai: Star RailStarfire Essence ×7

    30,000Credits

  6. → 7
    Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×3
    Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×3

    45,000Credits

  7. → 8
    Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×5
    Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×4
    Vanquished Flow's Reticence — ascension material | Honkai: Star RailVanquished Flow's Reticence ×1

    80,000Credits

  8. → 9
    Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×1
    Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×8
    Vanquished Flow's Reticence — ascension material | Honkai: Star RailVanquished Flow's Reticence ×1

    160,000Credits

  9. → 10
    Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×1
    Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×14
    Vanquished Flow's Reticence — ascension material | Honkai: Star RailVanquished Flow's Reticence ×1

    300,000Credits

One ability maxed

652,500 Credits

Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×2
Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×30
Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×7
Vanquished Flow's Reticence — ascension material | Honkai: Star RailVanquished Flow's Reticence ×3
Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×13
Starfire Essence — ascension material | Honkai: Star RailStarfire Essence ×15
Fiery Spirit — ascension material | Honkai: Star RailFiery Spirit ×3
Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×9

All 3 abilities maxed

1,957,500 Credits

Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×6
Heaven Incinerator — ascension material | Honkai: Star RailHeaven Incinerator ×90
Shards of Desires — ascension material | Honkai: Star RailShards of Desires ×21
Vanquished Flow's Reticence — ascension material | Honkai: Star RailVanquished Flow's Reticence ×9
Fragments of Impression — ascension material | Honkai: Star RailFragments of Impression ×39
Starfire Essence — ascension material | Honkai: Star RailStarfire Essence ×45
Fiery Spirit — ascension material | Honkai: Star RailFiery Spirit ×9
Tatters of Thought — ascension material | Honkai: Star RailTatters of Thought ×27

The Dahlia’s Eidolons

  1. The Dahlia E1 When a Bud Readies to Bloom — Eidolon | Honkai: Star RailE1

    When a Bud Readies to Bloom

    The Super Break DMG multiplier provided by Talent to "Dance Partners" now applies to all ally characters, with "Dance Partners" additionally receiving a 40% boost. After "Dance Partners" use an attack, additionally deals the attacked enemy targets a fixed amount of Toughness Reduction equal to 25% of their Max Toughness (minimum 10, maximum 300). This effect can only trigger once per enemy target, and this trigger count resets after the enemy target receives a killing blow.

  2. The Dahlia E2 Fresh, Ethereal, and Beloved — Eidolon | Honkai: Star RailE2

    Fresh, Ethereal, and Beloved

    When The Dahlia is on the field, decreases all enemies' All-Type RES by 20%. When an enemy target enters the field, immediately inflicts "Wilt" on them, lasting for 3 turn(s).

  3. The Dahlia E3 Pity Its Petals Thin as Mist — Eidolon | Honkai: Star RailE3

    Pity Its Petals Thin as Mist

    Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.

  4. The Dahlia E4 Pity Its Heart Gnawed by Worms — Eidolon | Honkai: Star RailE4

    Pity Its Heart Gnawed by Worms

    Increases the number of DMG instances dealt by Talent's Follow-Up ATK by 5. Upon its use, the DMG taken by all enemy targets increases by 12%, lasting for 2 turn(s).

  5. The Dahlia E5 Fallen, Decayed, and Despised — Eidolon | Honkai: Star RailE5

    Fallen, Decayed, and Despised

    Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.

  6. The Dahlia E6 And Yet, Always, Deathly Beautiful — Eidolon | Honkai: Star RailE6

    And Yet, Always, Deathly Beautiful

    Increases Dance Partners' Break Effect by 150%. When using Talent's Follow-Up ATK, advances the next action of all "Dance Partners" by 20%.

The Dahlia FAQ

What Combat Type is The Dahlia?
The Dahlia is a 5-star Fire character on the Path of Nihility, from The Cremators, released in version 3.7.
What stat does The Dahlia scale on?
The Dahlia's abilities multiply ATK. That is read from the scaling rows on the Skill and Ultimate, not from the ability description, so it reflects what the game actually multiplies rather than what the text mentions.
What is the best Light Cone for The Dahlia?
Along the Passing Shore is the closest fit on the data: it is a 5-star Nihility Light Cone with 635 base ATK at level 80, and its passive acts on ATK. Boundless Choreo is the best 4-star alternative.
Which relic set should The Dahlia use?
Hero of Triumphant Song. Its 2-piece bonus is: Increases ATK by 12%. Its 4-piece bonus is: While the wearer's memosprite is on the field, increases the wearer's SPD by 6%. When the wearer's memosprite attacks, increases the wearer's and memosprite's CRIT DMG by 30%, lasting for 2 turn(s).
Which Planar Ornament should The Dahlia use?
Firmament Frontline: Glamoth. Its 2-piece bonus is: Increases the wearer's ATK by 12%. When the wearer's SPD is equal to or higher than 135/160, the wearer deals 12%/18% more DMG. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.
How much does it cost to max The Dahlia's traces?
Taking one ability from level 1 to 10 costs 652,500 Credits and 2× Tracks of Destiny among other materials. The Materials tab lists every item per level.
What does The Dahlia E1 do?
When a Bud Readies to Bloom: The Super Break DMG multiplier provided by Talent to "Dance Partners" now applies to all ally characters, with "Dance Partners" additionally receiving a 40% boost. After "Dance Partners" use an attack, additionally deals the attacked enemy targets a fixed amount of Toughness Reduction equal to 25% of their Max Toughness (minimum 10, maximum 300). This effect can only trigger once per enemy target, and this trigger count resets after the enemy target receives a killing blow.
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