Rin Tohsaka build
Rin Tohsaka
Rin Tohsaka turns every Skill-Point change into Gem Energy and CRIT support, then converts Archer's heavy spending into AoE damage and four restored points.
Quantum
Erudition- Role
- Quantum Erudition Archer support and Skill-Point sub-DPS
- Version
- 4.4
- Reviewed on
- August 12, 2026
Recommended build
Light Cone
Flickering StarsFlickering Stars is Rin's signature choice for her released Quantum Erudition damage profile.
Life Should Be Cast to FlamesLife Should Be Cast to Flames is the premium alternate cone supported by the build sources.
Into the Unreachable VeilInto the Unreachable Veil remains a premium Erudition alternative without changing Rin's rotation.
Eternal CalculusEternal Calculus provides a real F2P alternative through its ATK and multi-enemy SPD condition.
Make the World ClamorMake the World Clamor is the retained non-Battle-Pass four-star fallback for Rin's Ultimate-centered opening turns.
A permanent four-star Warp cone, not a Battle Pass reward.
When to use it : It regenerates Energy immediately at battle entry, then increases Ultimate DMG.
Relics
Genius of Brilliant Stars is best only where its Quantum and DEF-ignore clauses are live.
When to use it : Use against Quantum-weak enemies, especially when DEF reduction is present.
The Ashblazing Grand Duke is a specialist option for Rin's own multi-hit Joint Follow-Up, not for merely having a follow-up ally.
When to use it : Use it when Archer causes Rin's own five-hit Joint Follow-Up ATK, ideally in a multi-target fight, so Rin herself builds the four-piece ATK stacks.
Scholar Lost in Erudition is the stable general fallback for Skill and Ultimate damage.
Planar Ornaments
Penacony, Land of the Dreams gives Rin Energy Regeneration and buffs her other Quantum ally in the Archer support lineup.
When to use it : Keep Archer, another Quantum ally, in the team so Penacony's same-Type ally DMG applies.
City of Converging Stars rewards Rin's own Joint Follow-Up and offers a one-time team CRIT DMG bonus after a defeat.
When to use it : Rin must use her own Follow-Up ATK to gain 24% ATK for two turns; defeating an enemy then grants all allies 12% CRIT DMG for the battle, once only.
Lushaka gives Rin Energy Regeneration while directing its ATK buff to the first-slot Archer carry.
When to use it : Place Archer first in the team lineup and keep Rin out of first slot to target him with Lushaka's ATK bonus.
Team lineup
Archer unlocks Rin's Joint Follow-Up and receives her full named buffs, Sparkle funds and amplifies his repeated Skills, and SP-positive Gallagher sustains without interrupting the duo's economy.
When to use it : Use Sparkle to keep the expanded Skill-Point pool healthy, let Archer cross the Joint trigger before Rin ends her turn and use Gallagher's Basics to refill points between Archer chains.
Compare the options — Rin Tohsaka
Choose based on your equipment and the stated conditions. These tables bring together the guide’s qualitative recommendations, without measured damage comparisons.
- Guide version
- 4.4
- Recommendations reviewed
- Assumed role
- Quantum Erudition Archer support and Skill-Point sub-DPS
The guide’s stat targets and rotation provide the context. Eidolons, superimpositions, substats and enemies may change the choice; options are not evaluated at equal investment.
On small screens, scroll the table horizontally to compare columns.
| Option | Why choose it? | Conditions and availability |
|---|---|---|
| Guide’s reference choice | Flickering Stars is Rin's signature choice for her released Quantum Erudition damage profile. | No additional condition documented in this guide. |
| Alternative | Life Should Be Cast to Flames is the premium alternate cone supported by the build sources. | No additional condition documented in this guide. |
| Alternative | Into the Unreachable Veil remains a premium Erudition alternative without changing Rin's rotation. | No additional condition documented in this guide. |
| Alternative | Eternal Calculus provides a real F2P alternative through its ATK and multi-enemy SPD condition. | No additional condition documented in this guide. A permanently redeemable five-star Herta Store cone. |
| Accessible option | Make the World Clamor is the retained non-Battle-Pass four-star fallback for Rin's Ultimate-centered opening turns. | It regenerates Energy immediately at battle entry, then increases Ultimate DMG. A permanent four-star Warp cone, not a Battle Pass reward. |
| Option | Why choose it? | Conditions and availability |
|---|---|---|
| Guide’s reference choice | Genius of Brilliant Stars is best only where its Quantum and DEF-ignore clauses are live. | Use against Quantum-weak enemies, especially when DEF reduction is present. |
| Alternative | The Ashblazing Grand Duke is a specialist option for Rin's own multi-hit Joint Follow-Up, not for merely having a follow-up ally. | Use it when Archer causes Rin's own five-hit Joint Follow-Up ATK, ideally in a multi-target fight, so Rin herself builds the four-piece ATK stacks. |
| Alternative | Scholar Lost in Erudition is the stable general fallback for Skill and Ultimate damage. | No additional condition documented in this guide. |
| Option | Why choose it? | Conditions and availability |
|---|---|---|
| Guide’s reference choice | Penacony, Land of the Dreams gives Rin Energy Regeneration and buffs her other Quantum ally in the Archer support lineup. | Keep Archer, another Quantum ally, in the team so Penacony's same-Type ally DMG applies. |
| Alternative | City of Converging Stars rewards Rin's own Joint Follow-Up and offers a one-time team CRIT DMG bonus after a defeat. | Rin must use her own Follow-Up ATK to gain 24% ATK for two turns; defeating an enemy then grants all allies 12% CRIT DMG for the battle, once only. |
| Alternative | Lushaka gives Rin Energy Regeneration while directing its ATK buff to the first-slot Archer carry. | Place Archer first in the team lineup and keep Rin out of first slot to target him with Lushaka's ATK bonus. |
Only one option documented: no A/B comparison available.
| Option | Why choose it? | Conditions and availability |
|---|---|---|
| Guide’s reference choice | Archer unlocks Rin's Joint Follow-Up and receives her full named buffs, Sparkle funds and amplifies his repeated Skills, and SP-positive Gallagher sustains without interrupting the duo's economy. | Use Sparkle to keep the expanded Skill-Point pool healthy, let Archer cross the Joint trigger before Rin ends her turn and use Gallagher's Basics to refill points between Archer chains. |
Trace priority
- Talent
- Ultimate
- Skill
- Basic ATK
Rin Tohsaka expands the Skill-Point cap, buffs every ally who spends or restores points, stocks Gem Energy and repairs Archer's economy with a Joint Follow-Up ATK.
How to play it
- 1Open with Conversion Charge to add 10 Gem Energy to the 20 granted on entry, then use Basic attacks while Archer establishes Circuit Connection and spends Skill Points.
- 2Trigger Freeform Tohsaka Style after Archer leaves 3 or fewer Skill Points or actively uses Caladbolg II five times; the Joint Follow-Up restores 4 Skill Points and resets only when Rin's turn ends.
- 3Use the Ultimate before Archer's damage window for 1 Skill Point, three turns of vulnerability and 12 Gem Energy from A6. Use Second Magic Experiment only when its spend down to 2 Skill Points will not interrupt Archer's next chain.
Sources and methodology
Editorial recommendations are written from released game data, then cross-checked against specialist calculations. They are not copied from a single tier list.
Review method
Prydwen and Icy Veins were read independently for Rin Tohsaka's released HSR Version 4.4 kit, never for the source franchise, then checked against the exact local snapshot. The E0 Trace-level-10 model begins at 20 Gem Energy, enhances Skill at 15 Gem Energy or 7 Skill Points, converts every point spent above 2 into 2 Gem Energy, then spends 3 per repeated attack. It triggers the Archer Joint Follow-Up only at 3 or fewer Skill Points or after five active Caladbolg II uses and restores exactly 4 Skill Points once per Rin turn. Her own 150% ATK and 15% Quantum RES PEN Trace is kept separate from sheet targets, and CRIT is capped at 100%. Official 4.4 notes and the immutable snapshot establish the same release baseline, so no synthetic delta is claimed.
- Game data snapshot
- 4.4
- Snapshot commit
- 648b08fb
- Baseline version
- 4.4
- Published on
- Editorial review by
- HoyoWhatpeon
- Prydwen — direct released rin-tohsaka build analysisChecked 2026-08-12
- Icy Veins — independent released rin-tohsaka build analysisChecked 2026-08-12
- TurnBasedGameData — Version 4.4 exact snapshotChecked 2026-08-12
- HoYoLAB — Version 4.4 update detailsChecked 2026-08-12
Independent E0 HSR recommendations for Rin's preferred Archer-support role. CRIT stops at 100% effective, and the 135–160 SPD target is a sheet range before her own temporary 20% Trace buff.
Related builds
- JadeErudition · AoE follow-up sub-DPS and Debt Collector enablerSame Path
- QingqueErudition · Quantum enhanced-Basic carrySame Path
- AnaxaErudition · Wind Erudition carry and weakness enablerSame Path
- The HertaErudition · Ice Erudition carrySame Path
- RappaErudition · AoE Break and Super Break DPSSame Path