A scholar of exquisite temperament, member #81 of the illustrious Genius Society, and an expert in the field of life sciences. She earned Nous' attention with her talent and terrifying perseverance, and began her research on the origin of life in a secretive corner of the universe. Subsequently, she was invited by Herta to collaborate with Screwllum and Stephen to develop the Simulated Universe. Privately, she revels in traditional theater and desserts, and she is also very interested in embroidery.
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Ruan Mei
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Background
Ruan Mei is a character in Honkai: Star Rail.
A sweet-tempered and elegant scholar. Member #81 of the Genius Society. An expert in the biological sciences. She earned Nous' attention with her talent and terrifying perseverance, and began her research on the origin of life in a secret corner of the universe.
For that, she was invited by Herta to collaborate with Screwllum and Stephen to develop the Simulated Universe.
Secretly, she greatly enjoys traditional theater and desserts, and she is also very interested in embroidery.
Lore
Personality
- General Personality: Ruan Mei is noted that she is good at communicating with others, though she hates socializing[1], she shows this in how recluse she is, not liking fanfare or appreciating a crowd to welcome her and declined the offer for the researchers to make a portrait for her[2].
- Interests: Ruan Mei revels in traditional theater and desserts, along with being very interested in embroidery[3]. Going as far as preparing sweets, that controls what one says[4]. She also loves gazing at planets from a nice view[5].
- Worldview: Ruan Mei views the universe as something to study and learning it's biology, comparing it to cooking, where one must study it and not freak out when complaints are made. She tries to find the answer to the question "What is the essence of life?" With her noting life is countless and varied in form[6].
General Information
Origin: Honkai: Star Rail
First Appearance: Honkai Star Rail "Crown of the Mundane and Divine"
Company: Hoyoverse
Creator: David Jiang (Head producer), miHoYo
Actor: Emi Lo (English), Saori Onishi (Japanese)
Sex: Female
Pronouns: She/Her
Story Role: Supporting Character, Party Member
Classification: Genius Society Number 81[8]
Species: Unknown
State of Being: Regular
Physiology: Humanoid Physiology
Occupation: Genius Society Member[9]
Path: Erudtion (All members of the genius society are apart of the Path of Erudition[11])
Affiliations: Genius Society, Screwllum, Herta, Stephen, Astral Express, Instrastral Peace Corporation
Enemies: Antimatter Legion, Annihilation Gang Everflame Mansion
Status: Alive
Alignment: True Neutral (Ruan Mei keeps to herself and using people to her gain, though never maliciously, such as when she made sweets, that controls what The Trailblazer says[12], she directly noted she bears no ill will and instead that she finds extending trust beyond herself challenging and she despise what can escape her control[13]. Left behind most of her creations, though she noted that her creations move her, where she notes she doesn't understand what "love" is and cannot respond to those feelings, and is at a loss for how she should handle her creation[14])
Codex Statistics
Grade: A
Tier: 4-B
Cardinality: Finite
Dimensionality: 3-D
Attack Potency: Solar System level (Potency) (Ruan Mei noted that if the danger was too great for The Trailblazer, she would've stepped in to fight Starcrusher Swam King: Skaracabz[15]. All party members are relative to The Trailblazer, even if they haven't been in main story missions, as their data versions can fight with them in the Simulated Universe, which is generated from The Trailblazer's memories pre-loading data versions of all the people they've met [16], where the bosses are stronger and more powerful in the Simulated Universe then the actual bosses they fought, making her comparable to The Trailblazer who fought and defeated Phantylia, who can casually "crush" one with the weight of a star, causing a massive explosion, along with greatly dwarfing the planet in size[17] and Dan Heng, who was noted in Part III of Himeko's character story that he defeated monsters that can swallow stars in just one strike of his lance[18])
Durability: Solar System level (Comparable to the Astral Express Crew, who can tank a star destruction at point-blank range[19], which gets these levels of energy)
Striking Strength: Unknown: True Class (Uses her Ruan for attacks)
Lifting Strength: Unknown: True Class
Travel Speed: Superhuman (All playable characters can outrun the Abundance Sprite: Golden Hound, who is noted to be a gilded hunting hound that moves with grace and speed[20], where the fastest hounds travel at a speed of 45 mph)
Attack Speed: Massively Hypersonic (Comparable to The Trailblazer who is comparable to Seele[21], who could cut a bullet right before it reached Bronya[22], reaching these speeds, and move faster then Bronya's gun[23]. Can fight against Kafka, who in her ultimate views all of the bullets as stationary, reaching these speeds. Comparable to Fu Xuan, who viewed Kafka's bullets as moving so slow she can casually turn them around to hit each other reaching these speeds), likely Far Higher (Comparable to The Trailblazer, Can dodge iridescent beams from Mask of No Thoughts from a distance[24])
Reaction Speed: Massively Hypersonic, likely Far Higher
Stamina: Unknown
Range: Standard Melee, Several Meters with Ruan
Intelligence: Metagenius Intelligence
Knowledge: Grandmaster level
Powers and Techniques
Equipment
Ruan
A stringed instrument Ruan Mei uses in combat in order to attack enemies or increase the stats of herself and her allies.Notable Techniques
Silken Serenade

Ruan Mei's outside of battle technique. After using the technique, gains Silken Serenade. At the start of the next battle, automatically triggers the Skill for 1 times without consuming Skill Points.
In Simulated Universe, when Ruan Mei has Silken Serenade, the team actively attacking enemies will always be regarded as attacking their Weakness to enter battle, and this attack can reduce all enemies' toughness regardless of weakness types. When breaking weakness, triggers weakness break effect corresponding to the attacker's type. For every blessing in possession up to 20 blessings, additionally increases the toughness-reducing damage of this attack by 100%. After breaking an enemy target's weakness, additionally deals to the enemy target break damage equal to 100% of Ruan Mei's ice break damage.
Threading Fragrance

Ruan Mei's basic attack, deals ice damage equal to 50% of Ruan Mei's attack to a single target enemy.
At trace level 2 the attack damage increases to 60%. At trace level 3 the attack damage increases to 70%. At trace level 4 the attack damage increases to 80%. At trace level 5 the attack damage increases to 90%. At trace level 6 the attack damage increases to 100%.
String Sings Slow Swirls

Ruan Mei's support skill. After using her skill, Ruan Mei gains overtone, lasting for 3 turns. This duration decreases by 1 at the start of Ruan Mei's turn. When Ruan Mei has overtone, all allies' damage increases by 16% and weakness break efficiency increases by 50%.
At trace level 2, damage buff % increases to 17.6%. At trace level 3, damage buff % increases to 19.2%. At trace level 4, damage buff % increases to 20.8%. At trace level 5, damage buff % increases to 22.4%. At trace level 6, damage buff % increases to 24%. At trace level 7, damage buff % increases to 26%. At trace level 8, damage buff % increases to 28%. At trace level 9, damage buff % increases to 30%.
Somatotypical Helix

Ruan Mei's support talent. Increases speed by 8% for the team (excluding this character). When allies break an enemy target's weakness, Ruan Mei deals to this enemy target break damage equal to 60% of her ice break damage.
At trace level 2, break damage % increases to 66%. At trace level 3, break damage % increases to 72%. At trace level 4, break damage % increases to 78%. At trace level 5, break damage % increases to 84%. At trace level 6, break damage % increases to 90%. At trace level 7, break damage % increases to 97.5%. At trace level 8, break damage % increases to 105%. At trace level 9, break damage % increases to 112.5%.
Petals to Stream, Repose in Dream

Ruan Mei's ultimate. Ruan Mei deploys a field that lasts for 2 turns. The field's duration decreases by 1 at the start of her turn.
While inside the field, all allies' All-Type RES PEN increases by 15% and their attacks apply Thanatoplum Rebloom to the enemies hit. When these enemies attempt to recover from weakness break, Thanatoplum Rebloom is triggered, extending the duration of their weakness break, delaying their action by an amount equal to 20% of Ruan Mei's break effect plus 10%, and dealing break damage equal to 30% of Ruan Mei's ice break damage.
Enemy targets cannot have Thanatoplum Rebloom re-applied to them until they recover from weakness break.
At trace level 2, RES PEN % increases to 16% and break damage % increases to 32%. At trace level 3, RES PEN % increases to 17% and break damage % increases to 34%. At trace level 4, RES PEN % increases to 18% and break damage % increases to 36%. At trace level 5, RES PEN % increases to 19% and break damage % increases to 38%. At trace level 6, RES PEN % increases to 20% and break damage % increases to 40%. At trace level 7, RES PEN % increases to 21.2% and break damage % increases to 42%. At trace level 8, RES PEN % increases to 22.5% and break damage % increases to 45%. At trace level 9, RES PEN % increases to 23.7% and break damage % increases to 47%.
Other
Standard Tactics: Ruan Mei will use her ruan for attacks and various buffs.
Weaknesses: Doesn't understand love and thus cannot return those feelings, out of fear of not understanding this she doesn't know what to do with her creations.
Note: While the speed seems somewhat high, Kafka herself never directly uses her gun against the party members as a standard attack, she always uses it as a follow up attack even in her boss fight after inflicting the shock status effect on them.
Explanations
Paths
The paths that Star Rail characters have in game are not the actual paths they follow, there is an innate difference between using the abilities of a path and being a Pathriders of that path[90] being apart of different factions[91]. For example, March 7th is listed under the Path of Preservation[92], though she is apart of the Trailblaze path as a member of the Astral Express[93], one does not necessarily need to be in a path to us their abilities either, the Trailblazer while they were trying to protect March 7th from the Doomsday Beast, created a forcefield[94], despite using abilities from Destruction[95]. Thus the path one has in game mainly refers to their abilities and not the actual path they follow, this applies with Light Cones too.
Miscellaneous Feats
- All playable characters in Star Rail can break objects lying in corners or along the path to find something useful[96].
Trivia
- Ruan Mei has hobbies that are rather refined: satin, music, cakes, embroidery, and tea, everything must be of top quality, but only enjoyed alone[97].
Battle Records
None.
References
- ↑ Honkai: Star Rail Data Bank Terms
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Ruan Mei Character Details
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Data Bank Factions
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai: Star Rail Topclouded Towerthrust, "Demise of Immortality, Finale of Calamity"
- ↑ Honkai: Star Rail Himeko Character Story: Part III
- ↑ Honkai: Star Rail Topclouded Towerthrust, "Demise of Immortality, Finale of Calamity"
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail: In the Withering Wintry Night, "Ones Fallen into the Abyss"
- ↑ Honkai: Star Rail: In the Withering Wintry Night, "Long Wait for the Blade's Edge"
- ↑ Honkai: Star Rail Seele Trailer - "Uneventful Night"
- ↑ Honkai: Star Rail In the Sweltering Morning Sun, "Roads to the Past Have Long Been Closed: The Return"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Lingering Shadows"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai: Star Rail: Swam Disaster Intro
- ↑ Honkai: Star Rail Guide Paradox
- ↑ Honkai: Star Rail Data Bank Terms
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Data Bank Factions
- ↑ Honkai: Star Rail Data Banks Factions
- ↑ Honkai Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Chaos in the Deep"
- ↑ Honkai: Star Rail 2.2
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Fleeting Lights
- ↑ Honkai: Star Rail Data Bank Factions
- ↑ Honkai: Star Rail Fleeting Lights
- ↑ Honkai: Star Rail 2.2
- ↑ Honkai: Star Rail Requiem Mass
- ↑ Honkai: Star Rail Fleeting Lights
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Chaos in the Deep"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Chaos in the Deep"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Dan Shu's dairy
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ The temperature at the very center of the Sun is about 15,000,000° C (27,000,000° F) and the density is about 150 g/cm³ (approximately 10 times the density of gold, 19.3 g/cm³ or lead, 11.3 g/cm³).
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Stars are of course sources of visible light, but they also emit UV, X-ray, and even gamma-ray light. The emission of stellar radiation depends on their surface temperature and also on their activity. Therefore, emission is related to the evolution and spectral type of the star and it can be highly variable
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Inventory Other Materials
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Terms
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail A Teacher and a Friend: Continued
- ↑ Honkai: Star Rail Data Bank Enemy Creatures
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Simulated Universe: First Closed Beta"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai Star Rail "Crown of the Mundane and Divine"
- ↑ Honkai: Star Rail Combat Types Explanations
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail: Ruan Mei Traces
- ↑ Honkai: Star Rail Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail Data Bank Terms
- ↑ Honkai: Star Rail Data Bank Factions
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail Data Bank Factions
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Lingering Shadows"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Eye of the Storm"
- ↑ Honkai: Star Rail: Today Is Yesterday's Tomorrow, "Chaos in the Deep"
- ↑ Honkai: Star Rail: Data Bank Terms