Ruan Mei
Who is Ruan Mei?
Ruan Mei is a 5★ Ice support of the Harmony Path and, as of Patch 4.2, an exceptional near-universal buffer rated around T0.5 — adjusted down from T0 only because The Dahlia now outclasses her for the dedicated Break archetype (source: Prydwen). She remains the backbone Break support and is exceptional value at E0.
Kit Summary
Skill (String Sings Slow Swirls) deploys a field granting all allies a DMG% boost.
Her Talent boosts Weakness-Break efficiency and adds a delayed damage instance; her Ultimate adds team-wide RES PEN.
The backbone of Super Break teams (with the Harmony Trailblazer); near-universal in most DPS cores.
Build Guide
🔮 Best Relic / Echo Set
4pc Watchmaker, Master of Dream Machinations + Broken Keel or a Break planar
⚔ Best Light Cone / Weapon
Past Self in Mirror (signature) / 4★ Harmony cone or free Meshing Cogs (F2P)
📊 Substats Priority
👥 Best Teams
Ruan Mei + Firefly + Harmony Trailblazer + Lingsha (Super Break)
Ruan Mei + any premier DPS + support + sustain (flexible)
F2P Verdict
One of the best free-to-build supports — exceptional at E0 and she does not need her signature.
A 4★ Harmony cone (or free Meshing Cogs early) works.
If spending, stop at E1; the E2 ATK buff is useless in Super Break teams.
Frequently Asked Questions
Is Ruan Mei good?
Yes — an exceptional near-universal Harmony support (around T0.5 in the 4.x meta) as of Patch 4.2. Source: Prydwen.
What is the best build for Ruan Mei?
4pc Watchmaker, Master of Dream Machinations with Broken Keel or a Break planar; Break Effect to 180%, SPD to breakpoint, survivability subs; her signature Past Self in Mirror.
Is Ruan Mei F2P-friendly?
Yes — one of the best free-to-build supports; exceptional at E0 with a 4★ Harmony cone. Stop at E1 if spending.
Should I pull Ruan Mei?
Pull if you run Break/Super-Break carries or want a flexible all-purpose Harmony support; skip if you already own The Dahlia plus another strong amp.