Ruan Mei Build Guide
Best relics, light cones, team compositions & trace priority for Honkai Star Rail 4.0 (February 2026)
📖 Ruan Mei Overview
Ruan Mei is Genius Society #81, a 5-star Ice Harmony support buffing party DMG, SPD, Break Efficiency, and All-Type RES PEN. She delays Weakness Break recovery and is the cornerstone of all Break/Super Break teams.
Element
Ice
Path
Harmony
Rarity
★★★★★
Tier
S+
⚔️ Skills Breakdown
Basic Attack
Deals Ice DMG.
Skill
Gains Overtone. Buffs all allies DMG, Break Efficiency, SPD.
Ultimate
Delays all enemies Break recovery. All-Type RES PEN for allies.
Talent
Additional Break DMG to Broken enemies.
Technique
ATK buff at battle start.
🛡️ Best Relics & Planar Ornaments
Relic Sets
🏆 Best in Slot
Watchmaker, Master of Dream Machinations (4pc)
Alternatives
Messenger Traversing Hackerspace (4pc)
Planar Ornaments
🏆 Best in Slot
Sprightly Vonwacq
Alternatives
Penacony Land of Dreams
🔮 Best Light Cones
🏆 Best in Slot
Past Self in Mirror (Signature)
Alternatives (ranked)
Memories of the Past (4★), Meshing Cogs (3★)
📊 Stat Priority & Main Stats
Body
HP%
Feet
SPD
Sphere
HP%
Rope
Energy Regeneration Rate
Sub-stat Priority
Break Effect > SPD > HP% > DEF%
Target Stats
180% Break Effect total, 134+ SPD
👥 Best Team Compositions
🏆 Optimal Teams
Alternative Teams
📈 Trace & Eidolon Priority
Trace Upgrade Order
Skill > Ultimate > Talent > Basic Attack
Eidolon Priority
E1 > E2
✅ Pros & Cons
✅ Pros
Cornerstone of Break teams
Party-wide DMG%, SPD, RES PEN
Unique Break Efficiency buff
Delays Break recovery
Useful outside Break teams too
❌ Cons
180% Break Effect requirement
Less impactful in non-Break vs Robin/Sunday
Ultimate timing tricky
💡 Tips & Tricks
Only need 160% BE from relics — passive adds 20%.
ERR rope for consistent Ultimate.
Vonwacq lets her advance and buff first.
❓ Frequently Asked Questions
What are the best relics for Ruan Mei?
The best relic set is Watchmaker, Master of Dream Machinations (4pc) paired with Sprightly Vonwacq as the planar ornament. Alternatives include Messenger Traversing Hackerspace (4pc).
What is the best Light Cone for Ruan Mei?
The best Light Cone is Past Self in Mirror (Signature). Good alternatives include: Memories of the Past (4★), Meshing Cogs (3★).
What tier is Ruan Mei in HSR 4.0?
Ruan Mei is ranked S+ Tier in our Honkai Star Rail 4.0 tier list as of February 2026.
Is Ruan Mei worth pulling?
As a S+ Tier Support, Ruan Mei is absolutely worth pulling and one of the best investments in the game.