Honkai Star Rail Ruan Mei Best Build, Light Cone, & Material

Ruan Mei is a 5 stars character in Honkai: Star Rail. Find Ruan Mei's skills and build on this article.

Character Overview: Ruan Mei

Ruan Mei is a female character of the Harmony Path with an Ice element. She is Support character that can support with Weakness Break to make allies take down enemies faster. She also increases team DMG, All type RES PEN, Break Effect, and SPD.

How to get Ruan Mei in Honkai: Star Rail

To get Ruan Mei you need to pull this character from any of these Warp banners (GACHA) using Star Rail pass or Special Pass:

  • Departure Warp
  • Butterfly on Swordtip
  • Brilliant Fixation
  • Stellar Warp

Ruan Mei Stats & Ascension Materials


Here is her stats from level 1 to level 60.(On mobile Scroll from left to right.)


Ascension Materials

Honkai: Star Rail Ruan Mei Ascension Material

Here are all the ascension materials that you need for leveling up Ruan Mei to level 80:

Ruan Mei Skills & Abilities Priority

Honkai: Star Rail Ruan Mei Skills

Threading Fragrance (Lv9/Basic ATK) - Single Target

Energy Regeneration: 20
Weakness Break: Single Target: 30
Deals Ice DMG equal to 130% of Ruan Mei's ATK to a single target enemy.

String Sings Slow Swirls (Lv15/Skill) - Support

Energy Regeneration: 30
Weakness Break: Single Target: 0
After using her Skill, Ruan Mei gains Overtone, Lasting for 3 turn(s). This duration decreases by 1 at the start Ruan Mei's turn. When Ruan Mei has Overtone, all allies' DMG increases by 40% and Weakness Break Efficiency increases by 50%.

Petals to Stream, Repose in Dream(Lv15/Ultimate) - Support

Energy Regeneration: 5
Weakness Break: 0
Ruan Mei deploys a field that lasts for 2 turns. The field's duration decreases by 1 at the start of her turn. While inside the field, all allies' All-Types RES PEN increases by 30% and their attacks apply Thanatoplum Rebloom to the enemies hit. When these enemies attempt to recover from Weakness Break, Thanatoplum Rebloom is triggered, extending the duration of their weakness break, delaying their action by an amount equal to 20% of Ruan Mei's Break Effect plus 10%, and dealing Break DMG equal to 60% of Ruan Mei's Ice Break DMG.

Somatotypical Helix (Talent) - Support

Energy Regeneration: 0
Weakness Break: 0
Increases SPD by 11% for the team (excluding this character). When allies Break an enemy target's Weakness, Ruan Mei deals to this enemy target Break DMG equal to 150% of her Ice Break DMG.

Innermost Nature (Technique) - Enhance

Energy Regeneration: 0
Weakness Break: 0
After using his Technique, gains Silken Serenade. At the start of the next battle, automatically triggers the Skill for 1 time without consuming Skill Points. In Simulated Universe, when Ruan Mei has Siken Serenade, the team actively attacking enemies will always be regarded as attacking their Weakness to enter battle, and this attack can reduce all enemies' Toughness regardless of Weakness types. When breaking Weakness, triggers Weakness Break Effect corresponding to the attacker's Type. For every Blessing in possession up to 20 Blessing(s), additionally increase the Toughness-Reducting DMG of this attack by 100%. After breaking an enemy target's Weakness, additionally deals to the enemy target Break DMG equal to 100% of Ruan Mei's Ice Break DMG.

Abilities Priority

Honkai: Star Rail Ruan Mei Abilities Priority

Ruan Mei's Skill should be your first priority because this will increase all allies' DMG and Weakness Break efficiency.

Then you can upgrade Ruan Mei's Ultimate, to increase All-Type Res PEN for all allies, and their attacks apply Thanatoplum Rebloom to enemies hit.

Then, you can upgrade to Talent in order to increase the entire team's SPD and break enemies' target weakness will gain additional Ice Break DMG.

Ruan Mei Trace

Ascension 2: Inert Respiration

Increases Break Effect by 20% for all allies.

Ascension 4: Days Wane, Thoughts Wax

Ruan Mei regenerates 5 Energy at the start of her turn.

Ascension 6: Candle Lights on Still Waters

This character's CRIT DMG increases by 24% when dealing DMG to enemy targets with Imaginary Weakness.

Best Light Cones for Ruan Mei

Honkai: Star Rail Ruan Mei Best Lightcones

Best 5 Stars Lightcone

  • The best Ruan Mei's 5-star light cone is Past Self in Mirror which is her signature light that Increases her Break Effect Rate, Regenerate energy and when using ULT, increases all allies' DMG.
  • You can also use The Battle Isn't Over which is her best alternative lightcone which can increase ER and the next ally action will gain additional DMG.

Best 4 Stars Lightcone

We highly recommend using Memories of The Past 4-star light cone with Ruan Mei since it increases her Break Effect and when she attacks or get hit, generate energy.

Best 3 Stars Lightcone

For the Best 3-star light cone, you should use Meshing Cogs this can generate energy if she get attacks or hit.

Best Relics for Ruan Mei

Honkai: Star Rail Ruan Mei Best Relics

Best Relic Set

  • 4PC Thief of Shooting Meteor
    • Increase Break Effect and regenerate energy
  • 4PC Hackerspace
    • Increase her SPD and if she uses Ult, increase all allies' SPD.
  • 4PC Musketeer of Wild
    • Increase ATK, SPD, and Basic ATK.

Best Planer Set

  • 2PC Penacony
    • Increase her ER and DMG if other allies are the same type
  • 2PC Broken Keel
    • Increase her effect RES and all allies CRIT DMG if her SPD is equal or higher than 135/160
  • 2PC Talia
    • Increase her break effect

Best Ruan Mei Team Build

Ruan Mei Team Build

Ruan Mei Eidolon

Honkai: Star Rail Ruan Mei Best Eidolon

Eidolon Lv 1: Neuronic Embroidery

While the Ultimate's field is deployed, the DMG dealt by all allies ignores 20% of the target's DEF.

Eidolon Lv 2: Reedside Promenade

With Ruan Mei on the field, all allies increase their ATK by 40% when dealing DMG to enemies with Weakness Break.

Eidolon Lv 3: Viridescent Pirouette

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

Eidolon Lv 4: Chatoyant Eclat

When an enemy target's Weakness is Broken, Ruan Mei's Break Effect increases by 100% for turns.

Eidolon Lv 5: Languid Barrette

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

Eidolon Lv 6: Sash Cascade

Extends the duration of the Ultimate's field by 1 turn. The Talent's Break DMG multiplier additionally increases by 200%.

End of Ruan Mei Build Guide.

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