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Rin Tohsaka — Quantum Erudition character | Honkai: Star Rail

Another World

Rin Tohsaka

Build guide · Honkai: Star Rail

5-star
QuantumEruditionMain DPS

The best Rin Tohsaka build in Honkai: Star Rail (Version 4.4) is Flickering Stars with Genius of Brilliant Stars. 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
CRIT Rate
Feet
Speed > ATK%
Planar Sphere
Quantum DMG
Link Rope
Energy Regen Rate > ATK%

Substat priority

  1. 1SPD until desired goalBest
  2. 2CRIT Rate / CRIT DMG
  3. 3ATK%

Trace priority

  1. #1

    Talent

    Max first

  2. #2

    Ultimate

    Then

  3. #3

    Skill

    Next

  4. #4

    Basic

    Later

Major traces, best first: Elegant Conduct (A2) > Ladylike Poise (A4) > Inbound Prosperity (A6)

Best Eidolons

  1. Rin Tohsaka E1 Zelretch's Apprentice — Eidolon | Honkai: Star RailE1
  2. Rin Tohsaka E2 Dimensional Traveler — Eidolon | Honkai: Star RailE2
  3. Rin Tohsaka E3 Holy Grail War: Victory Memorial — Eidolon | Honkai: Star RailE3
  4. Rin Tohsaka E4 Red Devil: Triple Speed — Eidolon | Honkai: Star RailE4
  5. Rin Tohsaka E5 Goddess of Venus's Favor — Eidolon | Honkai: Star RailE5
  6. Rin Tohsaka E6 Nailed It This Time! — Eidolon | Honkai: Star RailE6
  1. Rin Tohsaka E1 Zelretch's Apprentice — Eidolon | Honkai: Star RailE1

    Zelretch's Apprentice

    Why it matters

    Damage-focused Eidolon: Allows her to "store" Gem Energy when using her Enhanced Skill and causes her next use of Enhanced Skill to also use that stored amount. High value pick for Main DPS Rin, essentially letting her use the Enhanced Skill every turn.

  2. Rin Tohsaka E2 Dimensional Traveler — Eidolon | Honkai: Star RailE2

    Dimensional Traveler

    Why it matters

    Strong but rather uninspiring Eidolon for both of her playstyles, providing a 1.3x independent multiplier increase to all Skill DMG, making it her best support Eidolon, while the additional 30% Skill DMG provides a respectable boost to her own damage.

  3. Rin Tohsaka E4 Red Devil: Triple Speed — Eidolon | Honkai: Star RailE4

    Red Devil: Triple Speed

    Why it matters

    Rin Tohsaka gains an additional 70% CRIT DMG from her Talent, resulting in yet another meaningful damage increase.

  4. Rin Tohsaka E6 Nailed It This Time! — Eidolon | Honkai: Star RailE6

    Nailed It This Time!

    Why it matters

    Massive boost to her Main DPS playstyle: She gets the classic 20% RES PEN and then gains an Extra Turn after her Ultimate, and 24 Gem Energy, allowing her to immediately use her Enhanced Skill.

Teams

Rin Tohsaka team

Quantum · EruditionLeads

Rin turns Skill Point traffic into CRIT DMG for whoever spent it, and her joint follow-up needs Archer on the field, so the last two slots are picked for Skill Point economy.

  1. Rin Tohsaka — Quantum Erudition character | Honkai: Star RailRin Tohsaka — this characterMain DPS
  2. Archer — Quantum The Hunt character | Honkai: Star RailArcherJoint follow-up
  3. Robin — Physical Harmony character | Honkai: Star RailRobinHarmony buffer
  4. Aventurine — Imaginary Preservation character | Honkai: Star RailAventurineSustain

All teams, with every replacement

Honkai: Star Rail 5★ Quantum Erudition Main DPS

Rin Tohsaka build summary

Updated August 28, 2026

Flickering Stars tops the light cone ranking for Rin Tohsaka at S1, ahead of Life Should Be Cast to Flames, Into the Unreachable Veil and Eternal Calculus. That order is prydwen.gg's, measured in play and rephrased here; every row of it sits under Light cones below.

Run Genius of Brilliant Stars on Rin Tohsaka, with The Ashblazing Grand Duke and Scholar Lost in Erudition behind it. The planar ornament is Penacony, Land of the Dreams. Main stats are CRIT Rate body, Speed > ATK% feet, Quantum DMG sphere, Energy Regen Rate > ATK% rope. Roll substats in the order SPD until desired goal > CRIT Rate / CRIT DMG > ATK%.

Trace priority is Talent > Ultimate > Skill > Basic. The Ultimate costs 160 energy, which is what an Energy Regeneration Rate target has to clear.

The strongest team is Rin Tohsaka, Archer, Robin and Aventurine, built around Rin Tohsaka — Quantum · Erudition.

Role
Main DPS
Best light cone
Flickering Stars
Main stats
CRIT Rate body, Speed > ATK% feet, Quantum DMG sphere, Energy Regen Rate > ATK% rope
Substat priority
SPD until desired goal > CRIT Rate / CRIT DMG > ATK%
Trace priority
Talent > Ultimate > Skill > Basic
Best team
Rin Tohsaka, Archer, Robin, Aventurine
Ultimate energy cost
160 energy
Key ascension material
15× Conqueror's Will
Last updated
August 28, 2026

Abilities

Rin Tohsaka Bajiquan — basic atk icon | Honkai: Star Rail
Basic

Bajiquan

  • Single Target
  • +20 energy
  • 30 Toughness

Deals Quantum DMG equal to 100% of Rin Tohsaka'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%
Rin Tohsaka Jeweled Sword Zelretch — skill icon | Honkai: Star Rail
Skill

Jeweled Sword Zelretch

  • Single Target
  • +30 energy
  • 60 Toughness

Deals Quantum DMG equal to 180% of Rin Tohsaka's ATK to one designated enemy.

Ability level

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

Skill DMG
180%
All 15 levels
Attribute123456789101112131415
Skill DMG90%99%108%117%126%135%146%158%169%180%189%198%207%216%225%
Rin Tohsaka Second Magic Experiment — skill icon | Honkai: Star Rail
Skill

Second Magic Experiment

  • Bounce
  • +30 energy
  • 6 Toughness

Deals Quantum DMG equal to 90% of Rin Tohsaka's ATK to all enemies. Then, consumes 3 "Gem Energy" to additionally deal Quantum DMG equal to 90% of Rin Tohsaka's ATK to one random enemy target. This repeats until "Gem Energy" is less than 3 or there are no enemy targets with current HP greater than 0. Can repeat up to 33 cycle(s). When used, if the current Skill Points are greater than 2, consumes Skill Points down to 2, and for each Point consumed, immediately gains 2 "Gem Energy."

Ability level

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

AoE DMG
90%
Skill DMG
90%
All 15 levels
Attribute123456789101112131415
AoE DMG45%50%54%59%63%68%73%79%84%90%95%99%103%108%113%
Skill DMG45%50%54%59%63%68%73%79%84%90%95%99%103%108%113%
Rin Tohsaka An Gal Ta Ki Gal Šè — ultimate icon | Honkai: Star Rail
Ultimate

An Gal Ta Ki Gal Šè

  • AoE
  • +5 energy
  • 90 Toughness

Deals Quantum DMG equal to 600% of Rin Tohsaka's ATK to one designated enemy, and Quantum DMG equal to 200% of Rin Tohsaka's ATK to other enemy targets. When used, recovers 1 Skill Point(s) for allies, and increases the DMG taken by all enemies by 20%, lasting for 3 turn(s).

Ability level

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

Ultimate DMG
600%
Ultimate DMG (2)
200%
Ultimate DMG (3)
20%
All 15 levels
Attribute123456789101112131415
Ultimate DMG300%330%360%390%420%450%488%525%563%600%630%660%690%720%750%
Ultimate DMG (2)100%110%120%130%140%150%163%175%188%200%210%220%230%240%250%
Ultimate DMG (3)10%11%12%13%14%15%16%18%19%20%21%22%23%24%25%
Rin Tohsaka Gem Magecraft — talent icon | Honkai: Star Rail
Talent

Gem Magecraft

  • Enhance
  • +10 energy

When entering combat, gains 20 "Gem Energy." When an ally target consumes or recovers Skill Points, increases their CRIT DMG by 70% for 2 turn(s). For every 1 Skill Point consumed or recovered, Rin Tohsaka gains 1 "Gem Energy." If Rin Tohsaka holds 15 or more "Gem Energy," or if the current Skill Points are 7 or more, her Skill is enhanced to "Second Magic Experiment."

Ability level

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

Talent DMG
70%
All 15 levels
Attribute123456789101112131415
Talent DMG35%39%42%46%49%53%57%61%66%70%74%77%81%84%88%
Rin Tohsaka Freeform Tohsaka Style — talent icon | Honkai: Star Rail
Talent

Freeform Tohsaka Style

  • AoE
  • +10 energy
  • 60 Toughness

After Archer uses his Skill "Caladbolg II: Fake Spiral Sword" to attack, if Skill Points are 3 or fewer or if "Caladbolg II: Fake Spiral Sword" has been actively used 5 times during the current "Circuit Connection" state, and the Joint Follow-Up ATK from "Freeform Tohsaka Style" has not been triggered, Rin Tohsaka and Archer will launch Joint Follow-Up ATK on all enemies, dealing Quantum DMG equal to 300% of Rin Tohsaka's ATK and 300% of Archer's ATK respectively, and recovering 4 Skill Point(s) for allies. This Joint Follow-Up ATK can only trigger once. The trigger count resets when Rin Tohsaka's turn ends.

Ability level

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

Follow-Up DMG
300%
Follow-Up DMG (2)
300%
All 15 levels
Attribute123456789101112131415
Follow-Up DMG150%165%180%195%210%225%244%263%281%300%315%330%345%360%375%
Follow-Up DMG (2)150%165%180%195%210%225%244%263%281%300%315%330%345%360%375%

Technique and fixed effects

Rin Tohsaka Conversion Charge — technique icon | Honkai: Star Rail
Technique

Conversion Charge

  • Enhance

After using Technique, gains 10 "Gem Energy" at the start of the next battle.

Bonus Abilities

  1. Rin Tohsaka Elegant Conduct — Bonus Ability icon | Honkai: Star RailA2

    Elegant Conduct

    While Rin Tohsaka is on the field, additionally increases the upper limit of Skill Points by 2. When entering combat, Rin Tohsaka's ATK increases by 150%, and Quantum RES PEN increases by 15%. If Archer is in the team, Archer also gains this effect.

  2. Rin Tohsaka Ladylike Poise — Bonus Ability icon | Honkai: Star RailA4

    Ladylike Poise

    When entering combat or after using Enhanced Skill, increases Rin Tohsaka's SPD by 20%, lasting for 3 turn(s).

  3. Rin Tohsaka Inbound Prosperity — Bonus Ability icon | Honkai: Star RailA6

    Inbound Prosperity

    When Rin Tohsaka uses Ultimate, gains 12 "Gem Energy."

Stat traces

CRIT DMG
37.3%
ATK
18.0%
Quantum DMG
8.0%

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

3,570,500

Credits 12 material lines

Ascension to 80

308,000

Credits 4 materials · 6 steps

All 5 abilities maxed

3,262,500

Credits 5× the single-ability bill

Ascension

  1. Lv 30
    Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×5

    4,000Credits

  2. Lv 40
    Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×10

    8,000Credits

  3. Lv 50
    Sneering Harlequin — ascension material | Honkai: Star RailSneering Harlequin ×3
    Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×6

    16,000Credits

  4. Lv 60
    Sneering Harlequin — ascension material | Honkai: Star RailSneering Harlequin ×7
    Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×9

    40,000Credits

  5. Lv 70
    Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×6
    Sneering Harlequin — ascension material | Honkai: Star RailSneering Harlequin ×20

    80,000Credits

  6. Lv 80
    Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×9
    Sneering Harlequin — ascension material | Honkai: Star RailSneering Harlequin ×35

    160,000Credits

Total to level 80

308,000 Credits

Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×15
Sneering Harlequin — ascension material | Honkai: Star RailSneering Harlequin ×65
Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×15
Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×15

Trace materials

  1. → 2
    Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×3

    2,500Credits

  2. → 3
    Celestial Globe — ascension material | Honkai: Star RailCelestial Globe ×3
    Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×6

    5,000Credits

  3. → 4
    Galaxy Framework — ascension material | Honkai: Star RailGalaxy Framework ×3
    Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×3

    10,000Credits

  4. → 5
    Galaxy Framework — ascension material | Honkai: Star RailGalaxy Framework ×5
    Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×4

    20,000Credits

  5. → 6
    Galaxy Framework — ascension material | Honkai: Star RailGalaxy Framework ×7
    Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×6

    30,000Credits

  6. → 7
    Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×3
    Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×3

    45,000Credits

  7. → 8
    Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×4
    Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×5
    Destroyer's Final Road — ascension material | Honkai: Star RailDestroyer's Final Road ×1

    80,000Credits

  8. → 9
    Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×1
    Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×8
    Destroyer's Final Road — ascension material | Honkai: Star RailDestroyer's Final Road ×1

    160,000Credits

  9. → 10
    Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×1
    Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×14
    Destroyer's Final Road — ascension material | Honkai: Star RailDestroyer's Final Road ×1

    300,000Credits

One ability maxed

652,500 Credits

Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×2
Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×7
Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×30
Destroyer's Final Road — ascension material | Honkai: Star RailDestroyer's Final Road ×3
Galaxy Framework — ascension material | Honkai: Star RailGalaxy Framework ×15
Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×13
Celestial Globe — ascension material | Honkai: Star RailCelestial Globe ×3
Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×9

All 5 abilities maxed

3,262,500 Credits

Tracks of Destiny — ascension material | Honkai: Star RailTracks of Destiny ×10
Conqueror's Will — ascension material | Honkai: Star RailConqueror's Will ×35
Cosmic Sandpit — ascension material | Honkai: Star RailCosmic Sandpit ×150
Destroyer's Final Road — ascension material | Honkai: Star RailDestroyer's Final Road ×15
Galaxy Framework — ascension material | Honkai: Star RailGalaxy Framework ×75
Usurper's Scheme — ascension material | Honkai: Star RailUsurper's Scheme ×65
Celestial Globe — ascension material | Honkai: Star RailCelestial Globe ×15
Thief's Instinct — ascension material | Honkai: Star RailThief's Instinct ×45

Rin Tohsaka’s Eidolons

  1. Rin Tohsaka E1 Zelretch's Apprentice — Eidolon | Honkai: Star RailE1

    Zelretch's Apprentice

    If one instance of the Enhanced Skill consumes 30 or more "Gem Energy," Rin Tohsaka gains "Shadow Gem" equal to the amount of "Gem Energy" consumed. While holding "Shadow Gem," enhances Skill to "Second Magic Experiment." The Enhanced Skill consumes all "Shadow Gem," does not trigger the effect that converts Skill Points into "Gem Energy," and does not consume "Gem Energy."

  2. Rin Tohsaka E2 Dimensional Traveler — Eidolon | Honkai: Star RailE2

    Dimensional Traveler

    Rin Tohsaka's Skill DMG dealt increases by 30%. While Rin Tohsaka is on the field, Skill DMG dealt by all allies becomes 130% of the original DMG.

  3. Rin Tohsaka E3 Holy Grail War: Victory Memorial — Eidolon | Honkai: Star RailE3

    Holy Grail War: Victory Memorial

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

  4. Rin Tohsaka E4 Red Devil: Triple Speed — Eidolon | Honkai: Star RailE4

    Red Devil: Triple Speed

    When the CRIT DMG boost effect from the Talent "Gem Magecraft" applies to Rin Tohsaka, the effect can stack, up to 2 time(s).

  5. Rin Tohsaka E5 Goddess of Venus's Favor — Eidolon | Honkai: Star RailE5

    Goddess of Venus's Favor

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

  6. Rin Tohsaka E6 Nailed It This Time! — Eidolon | Honkai: Star RailE6

    Nailed It This Time!

    Rin Tohsaka's All-Type RES PEN increases by 20%. When using Ultimate, gains 24 "Gem Energy" and 1 extra turn.

Rin Tohsaka FAQ

What Combat Type is Rin Tohsaka?
Rin Tohsaka is a 5-star Quantum character on the Path of Erudition, from Another World, released in version 4.4.
What stat does Rin Tohsaka scale on?
Rin Tohsaka'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 Rin Tohsaka?
Flickering Stars is the closest fit on the data: it is a 5-star Erudition Light Cone with 635 base ATK at level 80, and its passive acts on ATK. A Dream Scented in Wheat is the best 4-star alternative.
Which relic set should Rin Tohsaka use?
Poet of Mourning Collapse. Its 2-piece bonus is: Increases Quantum DMG by 10%. Its 4-piece bonus is: Decreases the wearer's SPD by 8%. Before entering battle, if the wearer's SPD is lower than 110/95, increases the wearer's CRIT Rate by 20%/32%. This effect applies to the wearer's memosprite at the same time.
Which Planar Ornament should Rin Tohsaka use?
City of Converging Stars. Its 2-piece bonus is: When the wearer uses Follow-Up ATK, increases ATK by 24% for 2 turn(s). When an enemy target gets defeated, increases CRIT DMG for all allies by 12% in the current battle. This effect cannot stack. Planar Ornaments have no 4-piece bonus; the sphere and the rope are the whole set.
How much does it cost to max Rin Tohsaka'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 Rin Tohsaka E1 do?
Zelretch's Apprentice: If one instance of the Enhanced Skill consumes 30 or more "Gem Energy," Rin Tohsaka gains "Shadow Gem" equal to the amount of "Gem Energy" consumed. While holding "Shadow Gem," enhances Skill to "Second Magic Experiment." The Enhanced Skill consumes all "Shadow Gem," does not trigger the effect that converts Skill Points into "Gem Energy," and does not consume "Gem Energy."
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