A 5* Limited Ice unit with unique abilities.

What are Ruan Mei's recommended relic sets?

Hackerspace 4 piece, 2 hacker 2 thief combo, or Thief 4 Piece.

What are Ruan Mei's endgame stat goals?

3.5k HP, 1.2k DEF, 160% Break Effect, and SPD around 140.

Specific combinations of skills and new waves are needed.

Delay from ultimate marks, enhancing DoT teams and providing buffs.

Ruan Mei excels in providing teamwide damage buffs and support, with unique mechanics like permanent ultimate marks causing delay and break damage, making her valuable for various strategies.
To optimize Ruan Mei's performance, prioritize leveling her skill and ultimate first, focus on specific relic sets like Hackerspace or Thief, and aim for endgame stat goals to enhance her capabilities, tailoring rotations based on the availability of items like Cogs or Memories for different setups.

Who is Ruan Mei?
A 5* Limited Ice unit with unique abilities.
What are Ruan Mei's recommended relic sets?
Hackerspace 4 piece, 2 hacker 2 thief combo, or Thief 4 Piece.
What are Ruan Mei's endgame stat goals?
3.5k HP, 1.2k DEF, 160% Break Effect, and SPD around 140.
How can I achieve a 3-turn ultimate with Ruan Mei?
Specific combinations of skills and new waves are needed.
What are Ruan Mei's unique mechanics?
Delay from ultimate marks, enhancing DoT teams and providing buffs.

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Ruan Mei is a 5* Limited Ice unit with base stats at level 80: HP 1086, attack 659, defense 485, speed 104, and energy cost 130.
Trace priority should focus on leveling everything except basics, prioritizing skill and ultimate first.
Ruan Mei's skill, String Sings Slow Swirls, grants Overtone for 3 turns, providing all allies with a universal DMG% buff and a 50% weakness break efficiency buff.
Her ultimate, Petals to Stream, Repose in Dream, deploys a field for 2 turns, granting all allies a RES PEN increase and applying Thanatoplum Rebloom, an ultimate mark.
The ultimate mark debuff stays on the enemy permanently, causing delay and break damage when they try to recover from Weakness Break.
Ruan Mei's talent, Somatotpyical Helix, boosts allies' SPD and triggers ice break damage when an ally breaks an enemy's Weakness.
Her technique, Silken Serenade, automatically triggers her skill at the start of the next battle without consuming SP, granting a free skill buff and 30 energy.
Eidolons enhance Ruan Mei's abilities, such as ignoring enemy DEF, providing ATK buffs, and extending ultimate duration.
Recommended relic sets include Hackerspace 4 piece, 2 hacker 2 thief combo, or Thief 4 Piece, with Talia or vonwacq penacony planar ornaments.
Endgame stat goals for Ruan Mei include 3.5k HP, 1.2k DEF, 160% Break Effect, and SPD around 140, focusing on HP%/DEF% Body, SPD Boots, DEF%/HP% Orb, and an energy rope.

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To achieve a 3-turn ultimate with Ruan Mei, you need specific combinations of skills and new waves, which are challenging to attain without certain items like Cogs or Memories.
Ruan Mei's rotations vary based on the presence of Cogs or Memories, with a 4-turn rotation without them and a 3-turn rotation resembling Tingyun with the right setup.
Ruan Mei offers significant teamwide damage buffs, excelling in 2 DPS compositions and even as a hypercarry support, with only Bronya potentially surpassing her in 2 DPS scenarios.
Ruan Mei's unique mechanics include a delay from her ultimate's marks, enhancing DoT teams and providing a 50% weakness break efficiency boost, making her valuable for various strategies.
While Ruan Mei has some drawbacks like energy credit stealing and anti-synergy with certain debuffers, she shines in synergies with dual DPS setups, offering substantial team buffs and outperforming other supports in specific team compositions.