Ruan Mei Guide โ Best Universal Support (v3.4)
TL;DR
Ruan Mei is the most versatile support in HSR. She provides team-wide 68% DMG, 25% RES PEN, 15% SPD, and 50% Break Efficiency โ buffs every DPS archetype wants. She's the #1 most-recommended pull across all community guides for any account.
Community Consensus
SS-tier since 1.6. The only limited 5-star that Prydwen, NGA, and Reddit unanimously rate as "must-pull." Her Break Efficiency is unique โ it's the only way to increase Toughness damage dealt, making her mandatory for Super Break and excellent for all other teams.
Build
Relic: 4pc Watchmaker (Break teams) or 4pc Hackerspace (general). Planar: Broken Keel or Vonwacq. Goal: 160 SPD + 180% Break Effect. Light Cone: Signature or Memories of the Past (S5).
FAQ
Ruan Mei or Robin?
Ruan Mei for general use, Robin for FUA teams. Ruan Mei fits literally every team. Robin outperforms her in FUA teams by ~15% but provides less in DOT and Hypercarry. Get both if you can โ they're the two best Harmony units.
Is Ruan Mei still must-pull in 3.4?
Yes. No character has replaced or matched her Break Efficiency buff. It's a unique multiplier. She's the safest investment in the game.