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Species Blade
Gender Female
Japanese VA Ayane Sakura
English VA Rebecca Kiser
Appearances Xenoblade Chronicles 2
This article is about Praxis in general. For gameplay information, see Praxis/Gameplay.

Praxis (ミクマリ) is a Rare Blade in Xenoblade Chronicles 2. She is initially the Blade of an unknown Driver, though later can become the Blade of Rex, Nia, Mòrag, or Zeke. She is often referred to as Theory's sister. Praxis is a water elemental Blade who uses the Megalance weapon type and is classified as an Attacker. She can be obtained from Praxis's Core Crystal.

Appearance and personality[edit]

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Praxis is a female Blade with deep blue eyes, tan skin, and unkempt blue hair. Her outfit is predominantly a pale shade of blue. Water Balloon-esque attachments appear on her head, back, upper thigh, hips, arms, and chest. Her right eye is covered by an eye-patch, the design of which resembles the water balloon-esque attachments. Praxis also faulds which bear a resemblance to fish fins. Her core crystal has has a V-like shape and is identical to Theory's.


Crystal Clear[edit]

After finding some information about Core Crystal Hunters, the party learns of a bandit group targeting those who are transporting Core Crystals to Torigoth. While passing by Obra Street in Torigoth, Praxis and Theory jump the party in an attempt to rob them. During the ensuing fight, Ardainian soldiers rush to investigate the commotion, forcing Praxis and Theory to retreat. Mòrag explains the situation to Iannus, a high ranking soldier at the Torigoth Relay Base, and manages to get his cooperation in organizing an ambush to stop the Core Crystal Hunters. The party then heads to Valdorm's Mound, where they ambush Theory. However, it is revealed the Core Crystal Hunters predicted their plan, Waldemar, Theory's Driver, and Praxis arriving behind the party for a pincer attack. The party then fights Waldemar and Praxis. Waldemar is disatisfied by the direction the battle is going, gauding Praxis and Theory to fight harder. The two decide to attack the party together, Praxis charging first. Meanwhile, elsewhere, Ardainian soldiers wipe out the bandit's support squad, killing Praxis' Driver. In the middle of her attack, Praxis returns to her Core Crystal, leading Waldemar to retreat despite Theory's protest at leaving her behind.

Blade-Sharp Memory[edit]

While the party is walking by the Royal Guard Barracks in Fonsa Myma, a lance with a note attached to it is thrown at Nia, nearly hitting her. The note instructs the party to look for a Thunder Crystal in the Old Quarry in Uraya, and then stand by Garagorm's Arch in Gormott. Once the party reaches Garagorm's Arch, another lance is thrown at the party, the culprit running away before the party can clearly see them. While the party debates whether the notes are a trap, Praxis believes that they should continue following the instructions. The second spear directs the party to exterminate specific enemies on different Titans, then go to Nharil Central Plaza. Upon completion of the three tasks, Pest Control 1, Pest Control 2, and Pest Control 3, the party makes their way to Nharil Central Plaza in Mor Ardain where another spear is thrown with further instructions. Frustrated at this, Praxis tells whoever threw the spear to reveal themselves, leading to the culprit showing themselves, Theory, her former teammate. Theory confronts Praxis about her past, telling her to read the final message before running away.

The final note tells the party to head for the Lost Capital Judicium. Before leaving, the party can choose to tell Praxis about her past as a member of the Core Crystal Hunters. If they choose not to, Praxis will insist and convince them to tell her. Upon arriving, Theory reveals that the locations on the spears all pertained to places she and Praxis had been before. Theory, wanting only to be with Praxis again, fights alongside Waldemar and two other Drivers in order to kill Praxis's Driver and get her back. She begins the battle by throwing icicles toward the party, which Praxis intercept. After the battle, Waldemar commands Theory to kill Praxis, to which Theory refuses. When Waldemar attempts to finish Praxis himself, Theory kills him. By killing her own Driver, Theory is forced to return to her own Core Crystal, losing all her memories in the process. In her final moments she tells Praxis she never wanted to fight her and laments how she will forget Praxis. While craddling her former teammate, Praxis promises to remember what Theory meant to her.

Rough Diamond[edit]

After Theory is reawakened by a new Driver, Praxis asks Theory to come with her to Orl Cloudway, though the latter is reluctant to do so. The Heart-to-Heart Rough Diamond between Praxis, Praxis's, driver and Theory takes place south of the Fonsett Waters' entrance into Orld Cloudway in the Leftherian Archipelago. Theory, who no longer remembers Praxis, acts distant towards her. Praxis tells her that she promised the old Theory that she wouldn't forget her, and that her former self wanted the two of them to be friends. Praxis's Driver can either ask Theory to consider the other Blade's feelings or notice that the two are alike. In both cases, Praxis's Driver tells the two of them that they are essentially sisters, an idea Praxis likes though Theory has reservations about.

Theory and Praxis[edit]

After Theory and Praxis's trip inside Orl Cloudway during Rough Diamond, the party visits Fonsa Myma's Commercial District. Praxis spots two Urayan children, Veero and Vaio, crying. Praxis wants to see what the cause is, while Theory doesn't see that as necessary. When Praxis approaches the kids, they recognize her and Theory and run away in fear.

When the party catches up with them again, the kids explain that Praxis and Theory had attacked their father a year prior. Praxis attempts to explain that they are no longer the same people they were before, but Theory cuts her off stating how it'd be for the best if the two of them left. The party convinces the two of them to not let their past define them and to reconcile with those they've hurt, and the kids accept lead to the way. When Veero and Vaio take them to their father, Volette, he recognizes them and, after fearing for his children's lives, calls three mercenary Drivers to attack them before Praxis can explain the situation to him, not helped by Theory's own attempt. Following the battle Praxis and Theory attempt to think of ways to prove that they've changed, however their banter alone is proof enough. Volette says he's willing to help them apologize to the people of Fonsa Myma. He suggests that they make Whelzaman Cookies for the upcoming Harvest Festival.

After baking 50 Whelzaman Cookies, Praxis and Theory hand out the cookies to the local children, solving a few of their problems at the same time. One such problem involves Praxis infringing on Zeke's copyright by threatening a kid with her very own Eye of Shining Justice to get Jammie's Mud Balls back. While celebrating with the children they distributed the cookies to, Praxis calls Theory over to her, the latter sarcastically remarking how her sister gets lonely without her. Though Praxis is initially defensive, upon realizing Theory called her "sister", she lights up.

Sisterly Love[edit]

The Heart-to-Heart Sisterly Love between Theory, her Driver, and Praxis takes place while they are visiting Lyta Oasis in Gormott. Praxis rushes ahead, leaving Theory and her Driver behind. After the two talk about how the two sisters' relationship is evolving, Praxis finally realizes they stayed behind, calling them over.

As a party member[edit]

Main article: Praxis/Gameplay (XC2)

As an enemy[edit]

As an NPC[edit]

Praxis can be found at a random location in Garfont Village after Rex takes over the Merc Group, provided she is not equipped to her Driver or sent on a Merc Mission. The specific locations she may be found at are listed here.


I bet you'll be needing my help any moment now, right?
You can call me any time, you know! I'll be right there in a jiffy!


  • Praxis and Theory's awakening cutscenes follow the same choreography, albeit mirrored from each other. Both Blades begin by popping a sphere made of their respective element, then slide in a half circle back to their starting point. Both then lift their arms up before summoning their Blade weapons and slashing around.

In other languages[edit]

Language Name Meaning
United Kingdom flag.svg English Praxis
Japan flag.svg Japanese ミクマリ Mikumari, a Shinto goddess associated with water, fertility, and safe birth.
France flag.svg French Praxis
Germany flag.svg German Praxis
Spain flag.svg Spanish Praxis
Italy flag.svg Italian Praxis
China flag.svg Chinese (simplified) 水分
Taiwan flag.svg Chinese (traditional) 水分 Moisture
South Korea flag.svg Korean 미쿠마리