Rappa team
Imaginary · BreakLeadsBreak 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.

Galaxy Ranger
Build guide · Honkai: Star Rail
English voice: Kendell Byrd
The best Rappa build in Honkai: Star Rail (Version 4.4) is Ninjutsu Inscription: Dazzling Evilbreaker with Iron Cavalry Against the Scourge. Updated August 28, 2026
Also works
#1
Talent
Max first
#2
Ultimate
Then
#3
Basic
Next
#4
Skill
Later
Major traces, best first: Ninjutsu Inscription: Sea Echo (A4) > Ninjutsu Inscription: Withered Leaf (A6) > Ninjutsu Inscription: Sky High (A2)
During the "Sealform" state entered by using Ultimate, DMG dealt by Rappa ignores 15% of the targets' DEF. After exiting the "Sealform" state, regenerates 20 Energy.
The Enhanced Basic ATK's first 2 hits have their Toughness Reduction against the one designated enemy increased by 50%.
While in the "Sealform" state, increases all allies' SPD by 12%.
When battle starts, Rappa gains 5 point(s) of her Talent's Charge, and its upper limit increases by 5 point(s). After launching the third hit of "Ningu: Demonbane Petalblade," gains 5 point(s) of Charge.
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.
Honkai: Star Rail 5★ Imaginary Erudition Main DPS
Ninjutsu Inscription: Dazzling Evilbreaker tops the light cone ranking for Rappa, at 120.11% relative damage at S1, ahead of After the Charmony Fall, Eternal Calculus and Make the World Clamor. 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 Rappa, with Thief of Shooting Meteor and Eagle of Twilight Line behind it. The planar ornament is Talia: Kingdom of Banditry. Main stats are ATK% body, Speed feet, ATK% sphere, Break Effect >= Energy Regen Rate rope. Roll substats in the order SPD (Until Desired Breakpoint) > Break Effect > ATK%.
Trace priority is Talent > Ultimate > Basic > Skill. The Ultimate costs 140 energy, which is what an Energy Regeneration Rate target has to clear.
The strongest team is Rappa, Ruan Mei, Trailblazer (Harmony) and Lingsha, built around Rappa — Imaginary · Break.
Deals Imaginary DMG equal to 100% of Rappa's ATK to one designated enemy.
Ability level
6 is the cap from trace materials; Eidolons add the rest.
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Basic ATK DMG | 50% | 60% | 70% | 80% | 90% | 100% | 110% | 120% | 130% | 140% |
Launches "Ningu: Demonbane Petalblade." The first 2 hits deal Imaginary DMG equal to 100% of Rappa's ATK to one designated enemy and Imaginary DMG equal to 50% of Rappa's ATK to adjacent targets, and the 3rd hit deals Imaginary DMG equal to 100% of Rappa's ATK to all enemies. Enhanced Basic ATK will not recover Skill Points. Attacking enemies that don't have Imaginary Weakness can also reduce Toughness, whose effect is equal to 50% of the original Toughness Reduction. When Breaking Weakness, triggers the Imaginary Weakness Break effect.
Ability level
6 is the cap from trace materials; Eidolons add the rest.
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Basic ATK DMG | 60% | 68% | 76% | 84% | 92% | 100% | 108% | 116% | 124% | 132% |
| Adjacent DMG | 30% | 34% | 38% | 42% | 46% | 50% | 54% | 58% | 62% | 66% |
| AoE DMG | 60% | 68% | 76% | 84% | 92% | 100% | 108% | 116% | 124% | 132% |
Deals Imaginary DMG equal to 120% of Rappa's ATK to all enemies.
Ability level
10 is the cap from trace materials; Eidolons add the rest.
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AoE DMG | 60% | 66% | 72% | 78% | 84% | 90% | 98% | 105% | 113% | 120% | 126% | 132% | 138% | 144% | 150% |
Enters the "Sealform" state, immediately gains 1 extra turn, obtains 3 points of "Chroma Ink," and increases Weakness Break Efficiency by 50% and Break Effect by 30%. While in the "Sealform" state, Basic ATK is enhanced, and Skill and Ultimate cannot be used. After using Enhanced Basic ATK, consumes 1 point of "Chroma Ink." When "Chroma Ink" is depleted, exits the "Sealform" state.
Ability level
10 is the cap from trace materials; Eidolons add the rest.
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Break Effect Boost | 10% | 12% | 14% | 16% | 18% | 20% | 23% | 25% | 28% | 30% | 32% | 34% | 36% | 38% | 40% |
Each time the enemy target is Weakness Broken, Rappa gains 1 point of Charge, up to a max of 10 points of Charge. When Rappa next launches the third hit of "Ningu: Demonbane Petalblade," additionally deals Break DMG equal to 60% of Rappa's Imaginary Break DMG to all enemies. This DMG can ignore Weakness Type to reduce 2 Toughness, consuming all Charge. Each point of Charge increases the Break DMG multiplier by 50% and increases the Toughness Reduction that can ignore Weakness Type by 1. When Breaking Weakness, triggers the Imaginary Weakness Break effect.
Ability level
10 is the cap from trace materials; Eidolons add the rest.
| Attribute | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AoE DMG | 30% | 33% | 36% | 39% | 42% | 45% | 49% | 53% | 56% | 60% | 63% | 66% | 69% | 72% | 75% |
| Talent DMG | 25% | 28% | 30% | 33% | 35% | 38% | 41% | 44% | 47% | 50% | 53% | 55% | 57% | 60% | 63% |
After using Technique, enters the "Graffiti" state for 20 seconds. While in the "Graffiti" state, moves forward rapidly for a set distance and attacks any enemies touched. During the rapid movement, can block all enemies' attacks. Using an attack in the "Graffiti" state can end the state's duration early. After entering combat via attacking enemies, deals 30 Toughness Reduction regardless of Weakness Type and Break DMG equal to 200% of Rappa's Imaginary Break DMG to each enemy target, and deals Break DMG equal to 180% of Rappa's Imaginary Break DMG to adjacent targets. At the same time, this unit regenerates 10 Energy.
When the Weakness of an elite-level or higher enemy is broken, Rappa additionally gains 1 point(s) of Charge and regenerates 10 Energy.
While in the "Sealform" state, after Rappa uses Enhanced Basic ATK to deal DMG to a Weakness Broken enemy target, converts the Toughness Reduction from this instance of DMG to 1 instance of 60% Super Break DMG.
When an enemy target becomes Weakness Broken, increases the Break DMG taken by 2%. If Rappa's current ATK is higher than 2400, for every 100 excess ATK, additionally increases this value by 1%, up to a max additional increase of 8%. This effect lasts for 2 turn(s).
Totals at full unlock, summed across every node of that stat. Ascension rank gates the nodes as it gates the Bonus Abilities above.
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
Dream Collection Component ×54,000Credits
Dream Collection Component ×108,000Credits
Chordal Mirage ×3
Dream Flow Valve ×616,000Credits
Chordal Mirage ×7
Dream Flow Valve ×940,000Credits
Chordal Mirage ×20
Dream Making Engine ×680,000Credits
Chordal Mirage ×35
Dream Making Engine ×9160,000Credits
Total to level 80
308,000 Credits
Chordal Mirage ×65
Dream Making Engine ×15
Dream Flow Valve ×15
Dream Collection Component ×15
Dream Collection Component ×32,500Credits
Dream Collection Component ×6
Rough Sketch ×35,000Credits
Dream Flow Valve ×3
Dynamic Outlining ×310,000Credits
Dream Flow Valve ×4
Dynamic Outlining ×520,000Credits
Dream Flow Valve ×6
Dynamic Outlining ×730,000Credits
Dream Making Engine ×3
Exquisite Colored Draft ×345,000Credits
Dream Making Engine ×4
Exquisite Colored Draft ×5
Lost Echo of the Shared Wish ×180,000Credits
Tracks of Destiny ×1
Exquisite Colored Draft ×8
Lost Echo of the Shared Wish ×1160,000Credits
Tracks of Destiny ×1
Exquisite Colored Draft ×14
Lost Echo of the Shared Wish ×1300,000Credits
One ability maxed
652,500 Credits
Tracks of Destiny ×2
Dream Making Engine ×7
Exquisite Colored Draft ×30
Lost Echo of the Shared Wish ×3
Dream Flow Valve ×13
Dynamic Outlining ×15
Dream Collection Component ×9
Rough Sketch ×3All 3 abilities maxed
1,957,500 Credits
Tracks of Destiny ×6
Dream Making Engine ×21
Exquisite Colored Draft ×90
Lost Echo of the Shared Wish ×9
Dream Flow Valve ×39
Dynamic Outlining ×45
Dream Collection Component ×27
Rough Sketch ×9During the "Sealform" state entered by using Ultimate, DMG dealt by Rappa ignores 15% of the targets' DEF. After exiting the "Sealform" state, regenerates 20 Energy.
The Enhanced Basic ATK's first 2 hits have their Toughness Reduction against the one designated enemy increased by 50%.
Skill Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.
While in the "Sealform" state, increases all allies' SPD by 12%.
Ultimate Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.
When battle starts, Rappa gains 5 point(s) of her Talent's Charge, and its upper limit increases by 5 point(s). After launching the third hit of "Ningu: Demonbane Petalblade," gains 5 point(s) of Charge.