Mira

Biodata

Feature	Details
Name	Mirajane Strauss (Mira; 米拉) 37
Alias(es)	“Demon” 84; “Bloodthirsty Witch” 103; “White-Haired Witch” 125
Gender	Female
Age	13 at her introduction 37; 17 by Chapter 103 103
Affiliation	Fairy Tail 37 40; Aibo’s Girlfriend Fan Club 128
Occupation/Role	Mage; S-Class Mage 81; assists with guild service and member registration 91 110 125
First Appearance	Chapter 36, “The Girl Who Devoured Demons” 36

Power Progression

Stage / Realm / Level	Chapter	Notes
Take Over Magic — LV4 awakening	37	Awakened after a demon attacked her and immediately took it over; Aibo assesses her talent as LV4. Her inability to fully control the power leaves her right arm demonic.
Take Over Magic — full control	40	Learns to freely control her transformation after confronting Erza and being reprimanded by Makarov and Aibo.
Body-Tempering enhancement	45 81	Aibo’s Enchant Magic body-tempering experiments permanently improve her constitution, resilience, and capacity to endure pain.
Fairy Tail S-Class Mage	81	Defeats Cana during the annual S-Class promotion test and advances to S-Class.
Magic power exceeds 40,000	115	Her magic power reaches a bottleneck above 40,000. Aibo identifies awakening a Second Magic Source as her next major avenue for growth.
Take Over Magic — artificial Apostle compatibility confirmed	172	Successfully uses Take Over on Wrath, confirming that Aibo’s Apostles are compatible with her magic. The immediate benefit is limited by Wrath’s Fire and Lightning Magic.
Non-elemental Devil Slayer Magic — Devil Slayer Core acquired	175	After declining elemental magic, receives Aibo’s Devil Slayer Core and gains the ability to absorb and utilize emotions. Her strength rises dramatically, restoring her ability to contend with Erza after the latter acquires Crimson Armor.

Background and History

Mira grew up with her younger siblings, Elfman and Lisanna, after their parents died. When a demon attacked the village church, her Take Over Magic awakened and absorbed the creature. The villagers mistook her uncontrolled demonic arm for a curse and subjected the siblings to fear and discrimination. 36 37

Aibo identified her condition as an innate magical awakening rather than possession. He used a light-and-shadow illusion to conceal her arm, reassured her that power was neither inherently good nor evil, and invited the Strauss siblings to Fairy Tail. 37

After settling in Magnolia, Mira relied on Aibo to maintain the illusion over her arm while she learned to control Take Over Magic. Her newfound strength initially made her arrogant and confrontational: she fought Natsu, challenged Erza, and defied Makarov before being forcibly removed from the guild. Aibo persuaded her to apologize, treat Fairy Tail as family, and train responsibly; by the end of the day, she had fully mastered her magic. 40

Aibo also transported the Strauss family’s inherited house to the edge of Magnolia, making the siblings his only neighbors. Mira continued caring for Elfman and Lisanna at home, including preparing their breakfast and waking them for the day. 40

Mira later became one of Aibo’s primary Enchant Magic test subjects. She endured elemental enchantments, high-speed movement tests, and body-tempering experiments, competing with Erza to prove herself as Aibo’s closest “big sister.” 42 43 44

When Elfman and Lisanna secretly learned Take Over Magic so that she would not feel alone, Mira was moved to tears. Too embarrassed to cry in front of her siblings, she went to Aibo’s home to seek comfort instead. 42

In X781, Mira failed her first S-Class examination alongside Cana, while Erza passed. At the following annual test, Mira defeated Cana and earned S-Class status. 78 81

As an S-Class mage, Mira led Elfman and Lisanna on a mission to obtain the Beast King for Elfman. The mission collapsed when Lisanna vanished in a spatial tornado and Elfman lost control of the Beast King, attacking Mira. Unable to protect either sibling alone, Mira activated Aibo’s mark for help. 84 85

After Aibo subsequently disappeared while pursuing Lisanna, Mira’s behavior changed sharply. She abandoned her delinquent-style clothing, became withdrawn and ruthless on missions, and frightened guild customers with cold, lifeless service while covering Aibo’s former work. 91

After Aibo returned, he explained that Lisanna had survived in Edolas and promised to develop a means of bringing her home. Mira accepted Lisanna’s circumstances and decision while resolving to become stronger enough to protect her loved ones, including Aibo. 92

Aibo later entrusted Mira with Guga, a penguin-like artificial life-form resembling Lisanna, to keep her company and cheer her up. Mira welcomed Guga as a little sister and received a card through which she could summon her. 98

Mira nevertheless continued taking high-risk jobs against dark guilds to sharpen her strength. Her violent efficiency cleared Fairy Tail’s S-Class requests at an alarming pace and earned her the feared moniker “Bloodthirsty Witch.” 103

When Lucy Heartfilia arrived to join Fairy Tail, Mira received her warmly, processed her registration as a probationary member, and indulged Lucy’s enthusiastic request for an autograph. 125 Mira subsequently suspected that Aibo had taken an interest in Lucy and alerted the other girls, contributing to their suspicious treatment of the newcomer. She was also associated with the Girlfriend Group among Aibo’s competing fan clubs. 126 128

Mira participated in the discussion of Gray’s report about Eisenwald and Lullaby alongside Aibo and Erza. 134 She later watched Fairy Tail’s Eisenwald operation remotely with Aibo, casually betting on the team’s resulting destruction. The pair had recommended Lucy for the mission despite knowing that she was out of her depth, and entertained themselves by sharing cakes while observing the operation through Light Telescope Magic. 135

During Fairy Tail’s confrontation with Phantom Lord, Mira joined Aibo, Erza, Cana, Natsu, Gray, and Juvia in fighting Jose. Wendy’s all-attribute enhancement and Aibo’s light enchantment strengthened the group, while Aibo’s teleportation protected them from Jose’s area attacks. Mira and Erza followed up on Natsu’s opening strike and injured Jose. In the continuing battle, Mira served as an off-tank and physical damage dealer within Aibo’s coordinated formation. 165 166

After Aibo created the Seven Sin Apostles, Mira took the Mira-modeled Wrath into her home. Wrath provoked the household so severely that Mira had to calm Elfman and Lisanna to prevent the family from falling into conflict. The next day, Mira took Wrath out to spar and attempted to absorb her through Take Over Magic. The attempt succeeded, confirming Aibo’s theory that Apostles and demons were compatible targets, although Wrath’s elemental abilities offered only limited improvement. 170 172

Aibo’s subsequent research into Devil Slayer Magic provided a more suitable enhancement. Mira rejected learning elemental magic, so he transferred his Devil Slayer Core to her. She readily mastered non-elemental Devil Slayer Magic, gained access to emotional energy, and became strong enough to exchange blows evenly with Erza again despite Crimson Armor’s earlier advantage. 174 175

Mira continued sparring with Erza in the eastern forest while Pride and Wrath watched. Her Devil Slayer enhancement made her an especially effective training partner as Erza prepared to confront Jellal. When Aibo interrupted one session to speak privately with Erza, Mira became anxious over his recent closeness with Levy and Juvia and the possibility that she was being left out of an important change in his life. 188

Appearance

Mira is a white-haired girl whose early appearance emphasizes the contrast between her delinquent fashion and the demonic power she struggles to conceal. 36 40

• Her uncontrolled right arm initially takes on a ferocious demonic appearance after her Take Over awakening. 37
• She commonly wears black, including a black robe when first encountered and a dark “badass” outfit after arriving in Magnolia. 36 40
• She initially wears her hair in a ponytail; after Aibo’s disappearance, she leaves it disheveled and stops wearing her former style. 40 91
• Her Fairy Tail emblem is pink and placed on her thigh. 42
• While covering Aibo’s guild work during his absence, she wears a waitress uniform, although her pale face and cold manner frighten customers. 91
• After abandoning her delinquent image, she generally presents a gentle smile and a soft, tender demeanor. 110

Personality

Mira initially presents herself as aggressive, proud, and difficult to approach. Her hostility stems from fear that her demonic power and appearance will endanger Elfman and Lisanna or subject them to further discrimination. 37 40

Underneath that defensive exterior, she is deeply protective and emotionally dependent on the people she considers family. She is especially sensitive to Aibo calling her “big sister,” quickly accepting his guidance despite protesting otherwise. 39 40 42

She is highly competitive, particularly with Erza. Their early clashes develop into a rivalry in which both girls push themselves through Aibo’s experiments and argue over who is more qualified to care for him. 40 44 75

Lisanna’s disappearance and Aibo’s subsequent absence expose Mira’s insecurity and helplessness, prompting her to pursue greater strength rather than relying entirely on others to protect her family. 85 92

Although her grief initially makes her cold and ruthless, Mira can still be warm and accommodating toward new guildmates. She also retains a mischievous side, readily joining Aibo in observing and joking about the chaos caused by other Fairy Tail mages. 125 135

Her later gentleness does not mean that she has become mild-tempered. Aibo observes that angering her can provoke a far more dangerous response than her old delinquent posturing, and several newcomers leave after offending her. At the same time, he recognizes that she is genuinely gentle at heart, particularly when comforting him. 110 145

Mira enjoys praise and public recognition. Lucy’s enthusiastic description of her as the winner of the eleventh Fairy Tail female mage popularity poll delights her, prompting an exaggeratedly shy response. She also retains her habit of trying to steal Erza’s cakes. 125

Her protectiveness toward Aibo increasingly overlaps with possessiveness and rivalry with other girls. She suspects his interest in Lucy, participates in his Girlfriend Fan Club, and becomes distressed when his private interactions with Levy, Juvia, and Erza make her feel excluded. She regards herself and Aibo as especially close friends and expects to be included whenever he plans mischief. 126 128 188

Abilities & Skills

Take Over Magic

Mira possesses a rare Take Over Magic talent that allows her to absorb and wield the power of magical creatures.

• Awakened by taking over the demon that attacked her village church. 37
• Initially manifested as a permanently transformed demonic right arm that she could not dismiss. 37 40
• Reinforces her body and demon fist with magic power, giving her overwhelming strength against most mages her age. 40
• Fully mastered the ability after joining Fairy Tail, allowing her to control the transformation herself. 40
• Her innate Take Over Magic is her sole confirmed LV4 skill at the time of Chapter 103, even after becoming an experienced S-Class mage. 103
• Her S-Class reputation later earns her the moniker “Demon.” 84
• The demon she originally absorbed is an extremely rare wild demon, not a demon from the Book of Zeref. Aibo considers studying it to determine whether Mira has overlooked its potential use of emotional energy. His suggestion that she may already have used such power unconsciously remains a hypothesis at that point. 143
• Can take over Aibo’s artificial Apostles, as demonstrated on Wrath. This confirms the practical compatibility of Apostles and demons with her magic, but the usefulness of the acquired power depends on the target’s abilities. 172
• Aibo also proposes taking over stronger artificial life-forms as a future path of development. Taking over Celestial Spirits remains theoretical, with Aibo expressing concern that one might instead take control of her. 115

Enchantment-Enhanced Combat

Aibo frequently used Mira to test Enchant Magic, temporarily granting her abilities beyond her normal repertoire.

• Elemental enchantments allowed her to produce powerful fire, wood, ice, wind, lightning, earth, and water effects despite not having learned those magics herself. 43
• A light enchantment transformed her into a “light person,” enabling extreme bursts of speed and a rock-shattering strike. 42
• The same experiments demonstrated her exceptional pain tolerance and physical resilience. 43 45
• Under a wood-attribute enchantment, she could absorb and store the life force of trees. Aibo’s enchanted Heal formula restored her injuries by consuming magic power and the stored life force. 43
• The enchantments’ strength depended on Mira’s own magic power rather than Aibo’s elemental proficiency. However, excessive acceleration, heat, weight, or attack force could exceed her body’s limits and injure her. 43
• During the battle with Jose, she fought under Wendy’s all-attribute enhancement and Aibo’s light-element enchantment. 165

Enhanced Physique

Mira’s body was improved through Aibo’s body-tempering research.

• Her enhanced constitution contributes to her durability and combat performance. 45 81
• Alongside Elfman, she could endure a difficult battle against the Beast King despite the creature exceeding her expectations. 84
• Her exceptional durability is considered greater even than Erza’s in certain respects. 81
• By Chapter 115, her magic power exceeds 40,000, though she has reached a growth bottleneck and has yet to awaken a Second Magic Source at that point. 115
• Her durability and close-combat power allow her to serve as an off-tank and physical damage dealer alongside Erza against Jose. Aibo’s Information Magic assistance panel synchronizes the team’s communication and warns them of Jose’s attack intentions. 166

Devil Slayer Magic

Mira acquires non-elemental Devil Slayer Magic after Aibo transfers his Devil Slayer Core to her. Her existing ability to transform into a demon makes her especially compatible with the new power. 175

• Absorbs and utilizes emotional energy through the Devil Slayer Core. Aibo’s research establishes that such a core efficiently converts emotions into Curse Power. 174 175
• Receives this enhancement instead of elemental magic, which she declines to learn. 175
• Gains a substantial increase in combat strength, overcoming the disadvantage she had faced against Erza’s Crimson Armor and restoring their competitive parity. 175
• Her increased strength makes her one of the best available sparring partners for Erza during preparations for the confrontation with Jellal. 188
• No individual skill level or post-enhancement magic-power total is specified for Mira in these developments. 175 188

Relationships

• Aibo — Her benefactor and self-proclaimed little brother. He identified her magic, concealed her demonic arm, helped her master Take Over, and placed a teleportation mark on her for emergencies. Mira regularly seeks his attention and insists she will take care of him. When Lisanna vanished, she relied on him to rescue her; after his return, she entrusted him with the plan to bring Lisanna home and vowed to grow stronger to protect him in turn. 37 40 42 75 84 85 92 135 He relocated her family home beside his own, gave her Guga for companionship, and later transferred his Devil Slayer Core to her. Her request to communicate with another world also prompted him to add a cross-world communication research floor to his tower. She joins his Girlfriend Fan Club and grows anxious when his private closeness with other girls appears to leave her behind. 40 98 128 140 175 188
• Lisanna Strauss — Her younger sister. Mira’s chief motivation is protecting Lisanna and giving her a better life; Lisanna’s disappearance leaves Mira panicked and helpless. After learning that Lisanna survived in Edolas, Mira supports her sister’s circumstances while awaiting Aibo’s promised rescue plan. 37 84 85 92 Lisanna’s decision to learn Take Over alongside Elfman moves Mira deeply. Later, Mira has to calm Lisanna during Wrath’s disruptive stay in the Strauss home. 42 172
• Elfman Strauss — Her younger brother. Mira encourages his growth and takes him on the Beast King mission, but is devastated when the Beast King takes control of him. 37 84 85 His effort to learn Take Over to support her strengthens their bond; Mira later intervenes to calm him when Wrath provokes conflict in their household. 42 172
• Erza Scarlet — Initially a hostile rival after Erza defeats her twice, then a competitive friend and fellow participant in Aibo’s experiments. Both claim to be Aibo’s most responsible big sister. 40 44 They also cooperate as physical attackers against Jose. Erza’s Crimson Armor temporarily gives her an advantage in their rivalry, but Mira’s Devil Slayer enhancement restores their ability to fight evenly. Mira subsequently serves as Erza’s principal sparring partner during preparations to confront Jellal. 165 166 175 188
• Cana Alberona — A fellow Fairy Tail mage and rival over caring for Aibo. Their relationship deteriorates severely after Aibo goes missing, when Cana beats Mira without retaliation. 75 91 Their competition continues after Cana moves into Aibo’s house, with Mira particularly resentful of Cana’s increasingly open claims on him. 100
• Makarov Dreyar — Fairy Tail’s guild master. His intervention ends Mira’s first major conflict with Erza and forces her to recognize the consequences of misusing her strength. He later worries that her relentless, violent completion of dark-guild jobs is damaging Fairy Tail’s reputation. 40 103 After her promotion, he also takes her to a Guild Masters’ Alliance meeting to showcase Fairy Tail’s talent, an experience she dislikes enough not to want to repeat. 107
• Natsu Dragneel — A frequent fighting partner and target of Mira’s temper after he threatens or provokes her siblings. 40 They later fight together against Jose, with Natsu drawing attacks while Mira and Erza contribute physical damage. 165 166
• Lucy Heartfilia — A new Fairy Tail recruit and enthusiastic admirer who recognizes Mira as the “White-Haired Witch.” Mira welcomes Lucy, signs her autograph book, and handles her probationary registration. 125 Her initial hospitality is complicated by suspicion of Aibo’s interest in Lucy. Mira later conspires with Aibo to recommend Lucy for the Eisenwald operation and watches her difficulties for entertainment. 126 135
• Juvia — A fellow guildmate and rival over Aibo. Their competition forms part of a three-way conflict with Cana, with Juvia targeting Mira while Mira focuses on Cana. Mira later notices Aibo’s increased closeness with Juvia and Levy and worries that they share a secret from which she is excluded. 100 188
• Virgo — Aibo’s Celestial Spirit maid. Mira dislikes Virgo’s expressionless manner and finds her difficult to communicate with, but refrains from displaying her dislike for Aibo’s sake. 40
• Guga — An artificial life-form resembling Lisanna, entrusted to Mira by Aibo to cheer her up. Mira affectionately accepts Guga as a little sister and promises to care for her. 98
• Wrath — The Seven Sin Apostle modeled after Mira. Wrath’s provocative behavior nearly disrupts the Strauss household, prompting Mira to attempt taking her over. Despite the success of that attempt, their interactions remain contentious; Wrath later mocks Mira’s anxiety about being excluded from Aibo’s private conversations with other women. 170 172 188

Notable Quotes

“Since we're family, that makes you my little brother too. If you call me big sister, I'll listen to you!” 40

“Thank you, Aibo—really—thank you. Without you, I wouldn't even know what to do—” 92

“I'll become stronger through my own power—strong enough to protect anyone... Most importantly, I don't want to keep being helplessly protected by you, Aibo. Clearly... I'm supposed to be the older sister.” 92

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