Rin Tohsaka Skills, Traces & Eidolons

Honkai: Star Rail
Last Updated: Yesterday at 10:00 by Saeldur
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Introductions

Rin Tohsaka is a 5-Star character with the Quantum element who follows the Path of Erudition.
Rin Tohsaka is part of the Fate/stay night collaboration. This page covers Rin Tohsaka's Skills, Traces, Eidolons, and ascension stats.

Skills

Basic ATK
Bajiquan
Single Target
Lv. 6
Energy gain: 20
Deals Quantum DMG equal to 100% of Rin Tohsaka's ATK to one designated enemy target.
Skill
Jeweled Sword Zelretch
Single Target
Lv. 10
Energy gain: 30
Deals Quantum DMG equal to 180.0% of Rin Tohsaka's ATK to one designated enemy target.
Ultimate
An Gal Ta Ki Gal Šè
AoE | 160 energy cost
Lv. 10
Energy gain: 5
Deals Quantum DMG equal to 600% of Rin Tohsaka's ATK to a single 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 20.0% for 3 turn(s).
Talent
Gem Magecraft
Enhance
Lv. 10
Energy gain: -
When entering combat, gains 20 "Gem Energy." When an ally consumes or recovers Skill Points, CRIT DMG increases by 100% for 2 turn(s). For every 1 Skill Point consumed or recovered, Rin Tohsaka gains 1 "Gem Energy." If Rin Tohsaka possesses 15 or more "Gem Energy" or if current Skill Points are 7 or more, her Skill is enhanced into "Second Magic Experiment."
Talent
Freeform Tohsaka Style
AoE
Lv. 10
Energy gain: -
After attacking Archer uses his Skill "Caladbolg II: Fake Spiral Sword," if there are fewer or equal to 3 Skill Point(s), Rin Tohsaka and Archer will launch a Joint Follow-Up ATK on all enemies, each dealing Quantum DMG equal to 300% of Rin Tohsaka's ATK and 300% of Archer's ATK, and recover 4 Skill Point(s) for allies. This Joint ATK can only trigger once. The trigger count resets after Rin Tohsaka's turn ends.
Technique
Conversion Charge
Enhance
Energy gain: -
After using the Technique, gains 10 point(s) of "Gem Energy" at the start of the next combat.
Skill
Second Magic Experiment
Bounce
Lv. 10
Energy gain: 30
Deals Quantum DMG equal to 90.0% of Rin Tohsaka's ATK to all enemies. Then, consumes 3 points of "Gem Energy" to deal additional Quantum DMG equal to 90.0% 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, up to a maximum of 33 times. When used, if current Skill Points are greater than 2, consumes Skill Points until only 2 points left, immediately gaining 2 points of "Gem Energy" for every 1 Skill Point consumed.

Major Traces

Elegant Conduct
A2
Major trace
When Rin Tohsaka is on the field, additionally increases the max number of Skill Points by 2. When entering combat, Rin Tohsaka's ATK increases by 150.0%, and DMG dealt ignores 20.0% of the target's DEF. If Archer is in the team, Archer also gains this effect.
Ladylike Poise
A4
Major trace
After Rin Tohsaka uses her Enhanced Skill, her SPD increases by 20.0% for 3 turn(s).
Inbound Prosperity
A6
Major trace
When Rin Tohsaka uses her Ultimate, she gains 12 point(s) of "Gem Energy."

Minor Traces

CRIT DMG
+37.3%
ATK
+18.0%
Quantum DMG Boost
+8.0%

Eidolons

E1
Zelretch's Apprentice
Eidolon 1
If the amount of "Gem Energy" consumed by a single Enhanced Skill is 30 or more, Rin Tohsaka gains "Shadow Gem" equal to the amount of "Gem Energy" consumed. While possessing "Shadow Gem," the Skill is enhanced to "Second Magic Experiment." The Enhanced Skill consumes all "Shadow Gem," does not trigger the effect of converting Skill Points into "Gem Energy," and does not consume "Gem Energy."
E2
Dimensional Traveler
Eidolon 2
Increases Rin Tohsaka's Skill DMG by 30.0%. While Rin Tohsaka is on the field, Skill DMG dealt by all allies becomes 110.0% of the original DMG.
E3
Holy Grail War: Victory Memorial
Eidolon 3
Skill Lv. +2, up to a maximum of Lv. 15. Basic ATK Lv. +1, up to a maximum of Lv. 10.
E4
Red Devil: Triple Speed
Eidolon 4
While Rin Tohsaka is on the field, when an ally target consumes or recovers Skill Points, increases their SPD by 10.0% for 3 turn(s).
E5
Goddess of Venus's Favor
Eidolon 5
Ultimate Lv. +2, up to a maximum of Lv. 15. Talent Lv. +2, up to a maximum of Lv. 15.
E6
Nailed It This Time!
Eidolon 6
Rin Tohsaka's All-Type RES PEN increases by 20.0%. When using Ultimate, gains 18 point(s) of "Gem Energy" and 1 extra turn.

Stats and Ascension Materials

Lv. 1
Base Stats
HP
143
ATK
95
DEF
63
SPD
102
Ascension Materials
Credits
308000
Thief's Instinct
15
Usurper's Scheme
15
Conqueror's Will
15
Saeldur
Saeldur
Guide Author
Follow Saeldur

This guide has been written by Saeldur, an Evoker Theorycrafter since the class came out in Dragonflight. He is an accomplished high end player with top parses on multiple specs, an Expert on the Evoker Discord, and has a deep understanding of many other classes, and how they interact with Augmentation Evoker.

1.

Changelog

  • 06 Jun. 2026: Rin Tohsaka profile and skills page added.
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