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Rixia Mao (リーシャ・マオ) is a performing artist for the troupe Arc en Ciel and the current successor of the title of Yin ((いん)), the designation given to a legendary assassin from Calvard over a century ago which has been passed down to inheritors in a chain of succession ever since.



Rixia is a young woman with long thick Indigo hair tied in a top pony tail with a loop, and matching eyes. Rixia wears a variety of outfits throughout the series, however her main outfits include:

Moon Princess: A costume for performing in the Arc en Ciel consisting of a white bandeau, waist cloth, boots, flared arm coverings and a gold headdress with moon iconography. Rixia wears several bead bracelets and necklaces and her body is covered in green tribal markings.

Yin (former): Rixia uses a mystical technique to disguise her true form and appear as a male. She wears long black trousers and a thick black cloak with protective metal plats. Her arm coverings give the appearance of feathers and extend past her hands. The outfit has a lilac trim. Covering her head is a hooded mask consisting of two layers and a metal mask, obscuring most of her face.

Yin (present): No longer, using the disguise technique, Rixia's face is out in the open, using white ribbon in her hair. She wears a revealing blue and violet qipao variant gold patterns that is open at the sides where it is laced up. She wears no leggings, using only thigh high stocking boots covered in metal reinforcement and a the long drape of her purple qipao, also ending in a metal plate. Rixia uses mauve metal armour on her arms consisting of several separate plates laced together and a clawed metal gauntlet is worn on one hand. Rixia uses lots of red cord to tie all of her outfit together.

Rixia is armed with an incredibly large 'demon sword' with a very thick blade, extended handle and a tip ending in a hook like shape. The blade is navy blue with violet markings across the central part.


Rixia is a polite young lady with a strong passion for dancing, but is humble towards her own capabilities. As Yin, her personality shifts to one of more confidence and one that tests the strength of the Crossbell State Police Department. She finds herself questioning the path of being a dancer or an assassin often leading to self doubts.


Rixia was born in Calvard in S.1187. She grew up with her father, the then-current Yin. She has no memories of her mother, which led her to think that her father possibly moved out with Rixia in order to pass down the title of Yin on his daughter. Her father was neither strict nor gentle, and only saw to her training. While travelling across Calvard, she attended the local sunday school and got in touch with a great number of people.

The rest of her days were filled with rigorous training and practice with concealed weapons and Fu Shu. Inheriting the title of Yin also involved inheriting the knowledge and skills of her predecessors. As she progressed her training, Rixia felt that she became Yin. However, since there could be only one Yin active, Rixia spent her days at home honing her skills while waiting for her father to return home. He would never answer her questions as to when she would become acting Yin.

In S.1201, Rixia inherited the role of acting Yin when her father contracted an incurable disease. Although he was perceived as the strongest Yin history had known, the disease was too serious for him to overcome. Her father did not see a doctor or consider medical treatment. From his deathbed, he told Rixia she would inherit the title of Yin with his death. For the first time in her life, Rixia was afraid and told her father she would not be able to do it on her own. Her father told her that she should define her own role as Yin.

One month later, her father passed away. Inheriting his connections, she mimicked her father by dressing in black and resorting to neigong. While she was not yet as skilled as her father, she had no problem taking over his jobs.

Trails from Zero

Two years later, she signed a long-term partnership with Heiyue in West Calvard. Their goal was to gain total control over the trade market in Crossbell City. She arrived in Crossbell at night and prepared for battle when the leading Arc-en-Ciel performer Ilya Platiere noticed Rixia's natural talents and roped her into performing for the troupe, causing Rixia to juggle her duties as the disguised assassin Yin and her acting job as the Princess of the Moon.

In Trails from Zero, Rixia discovers that someone had used the name "Yin" to sign a threatening letter to Ilya. Despite Ilya not paying much attention to the letter and calling it a prank, Rixia sprung to action in order to discover the identity of who impersonated "Yin". Deciding to kill two birds with one stone, Rixia visited the Special Support Section with an appeal directly to Lloyd to find the identity of the letter sender while simultaneously sending a digital message over the Orbal Net to the SSS under the name "Yin" to meet at Stargazer's Tower. In doing so, Rixia (while in disguise as Yin) was able to collaborate investigative data with the SSS and get a clear picture of the strengths and limitations of the newly formed police group.

When the SSS were rushing to Ursula to confront Joachim Guenter and rescue the hospital workers, Lloyd directly appeals to the disguised Rixia to temporarily team up, stating that they could achieve both of their goals while watching each other's backs. Rixia, surprised that Lloyd would even propose teaming up with a known assassin, agrees with Lloyd and temporarily joins the team to discover more of the truth behind the link between Gnosis and Revache.

Trails to Azure

Rixia is revealed to be Yin after a confrontation in the swamps with Arianrhod and the Stahlritter. She then disappears from the scene as Yin and not does appear for a while. Shirley Orlando of the Red Constellation is eager to fight Yin and the two start up a sort of rivalry, with the two fighting during the raid on Crossbell City and reaching a climatic battle in the Azure Tree.

Trails of Cold Steel II

Rixia accompanies Lloyd as part of Crossbell's resistance forces acting against the country's annexation at the hands of Erebonia. The pair search for information in the Geofront but confront Rean Schwarzer and Altina Orion in the process. After a battle, the two manage to escape.

Trails of Cold Steel III and IV

Rixia does not physically appear in The latter half of the Erebonia arc but she is mentioned as being amongst the individuals trapped in Operation: Birdcage by Rufus Albarea. Rixia takes part in the operations countering Operation Jormungandr at the outbreak of the Great War.

Trails into Reverie

It is revealed that Nadia Rayne and Swin Abel know of Rixia and her identity as Yin as the two sides prepare to fight each other, each thinking the other is after them for assassination. It turns out to be a misunderstanding however and they part ways amicably.

Rixia joins the Special Support Section's efforts in freeing the city from Rufus' personal guard by performing in a special Arc en Ciel comeback performance. following this, she accompanies Lloyd and the SSS around Crossbell performing various jobs in the lead up to the independence ceremony. Following the takeover of the city by Supreme Leader Rufus, Rixia joins Lloyd in searching for missing persons during the occupation, such as Shanshan, Rixia's best friend, in Armorica Village. They track down Ilya to the Sun Fort where they are ambushed by Garcia Rossi and Heiyue due to Shanshan succumbing to the curse and revealing their location. It is after confronting Garcia and Cao Lee that Rixia discovers Ilya has been taken over by the curse and narrowly avoid being injured by her co-worker by an intervening Zeit.

Rixia overcomes Ilya in the operation to retake Crossbell, breaking the mask and restoring her original frame of mind. Rixia then joins in the assault on Reverse Babel.

Character Notes

Trails into Reverie

Rixia Mao Note (Hajimari).png



Trails to Azure

Towa Herschel - SD (Sen II).png
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Trails of Cold Steel II

Name Cost Upgrade materials Acquired
Sword Rixia (Sen Weapon).png Yatagarasu Kai
Initial gear
A black sword for those who live in the darkness.
Sword Rixia (Sen Weapon).png Bakuya
Treasure: Geofront E
[STR+1165/RNG+2/Crit+5%/Causes Faint (5%)]
A large sword that appears in Eastern legend. Repels evil.
Sword Rixia (Sen Weapon).png Bakuya +1
Phantasmal Mirror

Trails into Reverie

Name Cost Upgrade materials Acquired
Sword Rixia (Sen Weapon).png
[STR+955 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
[STR+1055 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
[STR+1155 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
[STR+1255 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
[STR+1355 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
[STR+1455 RNG+2 必殺2%]
Sword Rixia (Sen Weapon).png
Black Zemurian Ore x1 Upgrade
[STR+1605 RNG+2 必殺4%]


Trails from Zero

Name Effect Cast Cost Level
Craft (Crossbell Skill).png Dragon Claws
Craft - Attack - Area (S)
Draws in foes, then slashes with a sword.
20 CP Initial
Craft (Crossbell Skill).png Exploding Talisman
Craft - Attack - One - K.O. (90%)
Throws a kunai with a talisman attached and detonates it.
20 CP Initial
Craft (Crossbell Skill).png Qilingong
Craft - Support - Self - STR/SPD+50%
Concentrates spirit, raising STR and SPD.
20 CP Initial
Craft (Crossbell Skill).png Falling Moon
Craft - Attack - Line
Throws sword like a boomerang, eradicating foes.
20 CP Initial
S Craft (Crossbell Skill).png Paraselene Dance
S-Craft - Attack - All
Binds foes with claws and lunar light.
100+ CP Initial
Support Craft (Crossbell Skill).png Ogre Needles
Support Craft - Attack - Area (M) - K.O. (50%)
Throws innumerable kunai coated with a deadly poison.

Trails of Cold Steel II

Name Effect Class Cast Cost Level
Craft (Sen Skill).png True Dragon Claws
Attack (Set) - Area (L) - Suction
Draws in foes, then slashes. Attacks twice.
Cx2 30 CP Initial
Craft (Sen Skill).png True Falling Moon
Attack (Set) - Line (M) - Faint (50%)
Throws sword like a boomerang. Unbalance+20%.
S+ 40 CP Initial
Craft (Sen Skill).png Moonlight Butterflies
Support - Self - Stealth/SPD+50% (2 turns)
Disappears from sight in a group of silvery butterflies.
50 CP Initial
S Craft (Sen Skill).png True Paraselene Dance
Attack - All
Binds foes with claws and lunar light.
4S 100+ CP Initial

Trails into Reverie

Name Power Break Unbalance Cost Acquire
Craft (Sen III Skill).png Dragon Claws
40 CP Initial
攻撃(威力E×2 ブレイクD 崩しB):
円L(地点指定):吸引 駆動解除100% 遅延+6
Craft (Sen III Skill).png True Dragon Claws
40 CP Level 106
攻撃(威力D×2 ブレイクD 崩しB):
円L(地点指定):吸引 駆動解除100% 遅延+8
Craft (Sen III Skill).png
60 CP Initial
攻撃(威力S ブレイクS 崩しD):
Craft (Sen III Skill).png
60 CP Level 204
攻撃(威力S+ ブレイクS+ 崩しD):
Craft (Sen III Skill).png Moonlight Butterflies
40 CP Initial
Craft (Sen III Skill).png True Moonlight Butterflies
40 CP Level 138
S Craft (Sen III Skill).png Paraselene Dance
100+ CP Initial
攻撃(威力4S+ ブレイクD 崩し無効):全体
S Craft (Sen III Skill).png
100+ CP 試練の扉
攻撃(威力5S ブレイクD 崩し無効):

Brave Order

Trails into Reverie

Name BP Effect

2 Delay -50% (6 turns)
SPD ↑ (M) (2 turns)


Trails from Zero

Trails to Azure

Trails of Cold Steel II

Trails into Reverie



  • Rixia is the only character playable in the Trails of Cold Steel arc who does not appear in Trails of Cold Steel IV. She is also the only playable character in the arc who cannot participate in the fight against the Great One (either directly or via a usable Brave Order) at the end of IV.