Honkai: Star Rail character guide

Ruan Mei Best Build

A universal support who raises team damage, Weakness Break Efficiency, Speed and All-Type RES PEN.

Ruan Mei build overview

Ruan Mei is a Ice Harmony character commonly used for support, break efficiency, res pen. Ruan Mei's build supports support, break efficiency, res pen while keeping the team rotation reliable.

Use Watchmaker, Master of Dream Machinations as the primary Relic set and Talia: Kingdom of Banditry as the Planar Ornament. Recommended main stats are HP% / DEF%, SPD, HP% / DEF%, Energy Regen. Ruan Mei should meet the listed Speed, Effect Hit Rate or Break Effect target first. Then improve the main scaling stats.

Light Cones and alternatives

Past Self in Mirror is the premium Light Cone because its passive is designed around Ruan Mei's core mechanics. Ruan Mei can use the listed Light Cones when their passives match the team rotation. Memories of the Past and Meshing Cogs For Ruan Mei, keep the Relic setup with stronger main stats and useful substats.

Recommended teams

  • Premium team: Firefly, Fugue, Ruan Mei, Lingsha. This formation keeps Ruan Mei in the core role while covering damage amplification, turn economy and sustain.
  • Alternative team: Kafka, Black Swan, Ruan Mei, Huohuo. This formation keeps Ruan Mei in the core role while covering damage amplification, turn economy and sustain.
  • Accessible team: Boothill, Trailblazer, Ruan Mei, Gallagher. This formation keeps Ruan Mei in the core role while covering damage amplification, turn economy and sustain.

Ruan Mei's team swaps should keep the main damage dealer and sustain while maintaining the needed buffs.

Trace priority

  • Lower priority: Threading Fragrance
  • High priority: String Sings Slow Swirls
  • Highest priority: Petals to Stream, Repose in Dream
  • High priority: Somatotypical Helix
  • Lower priority: Silken Serenade

Raise the ability that defines Ruan Mei's main role first. Ruan Mei's lower-impact Traces can wait until the character, Light Cone and main teammates are leveled.

Investment advice

Level Ruan Mei, the Light Cone and key Traces before long Relic farming sessions. Ruan Mei is complete at E0 with a suitable alternative Light Cone. Compare Ruan Mei's signature or Eidolons with upgrades for the full team.

Frequently asked questions

Does Ruan Mei need the signature Light Cone?

No. Past Self in Mirror is the premium recommendation, but the listed alternatives preserve the core playstyle.

What is the most important build rule?

Meet Ruan Mei's listed stat targets first, then add damage or utility without changing the planned turn order.