Yuffie

Biodata

Feature	Value
Name	Yuffie Augustus (优菲·奥古斯都)
Alias(es)	Third Princess; Imperial Princess; Flower of the Empire; Blood Princess
Species/Race	Human; later awakened as a Blood Race
Gender	Female
Affiliation	Augustus Imperial Family; the Empire; Academy
Occupation/Role	Third Princess; political strategist; Academy professor/vice principal; weapons and military-industry organizer
Status	Active
First Appearance	67

Power Progression

Stage / Realm / Level	Chapter	Notes
Elite academy-trained combatant	291	Previously the academy’s foremost student and an accomplished swordswoman, though Leticia surpasses her in their spar.
Blood Race awakening	329 338	Her Blood Race powers awaken after being drugged amid Louis’s coup; she transforms into a white-haired, red-eyed child.
Enhanced Eighth Order Blood Race	350	Retains and enhances her former Eighth Order strength. Her blood weapons, flight, recovery, and magical reserves overwhelm Ria, Lilim, and Leticia in sparring.
Rank 8 Blood Race with form control	543	Returns to her black-haired human form and demonstrates that she can switch forms.
Controlled Blood Race authority	568	Uses her blood to turn more than a thousand Augustus garrison soldiers into Blood Race members while exerting limited control over them.

Background / History

Yuffie was raised as the third child of Emperor Charles and Isa. Her mother died while Yuffie was young, and her grandmother’s strict upbringing reinforced her reserve, self-esteem, and habit of speaking sparingly. She spent much of her childhood away from the Imperial Palace and developed her detached manner through study and disciplined self-control. 124 511 565

A renowned prodigy, Yuffie excelled in politics, history, mathematics, swordsmanship, archery, equestrianism, magic, and alchemy. Her reputation as a princess “with the talent of a king” made her accustomed to being the strongest and most accomplished among her peers. 291 342

Her political maturity deepened as the Empire faced military and internal pressures. She sought Ria’s assistance in reproducing foreign cannon technology, later pursued alliances for slavery abolition, and recognized that her own prestige and resources could not directly match those of her elder brothers. 67 295 303

At Emperor Charles’s request, Yuffie joined the Academy as a professor and vice principal, using the post to build influence and advocate for slavery abolition. Rather than openly contesting succession, she shifted toward strengthening the Empire through industry, trade, education, military development, and carefully balanced alliances. 298 303 304

During Louis’s rebellion, Yuffie was drugged and awakened as a Blood Race. Leticia and Mia helped carry her out of the Imperial City, while Louis seized her southern industrial base and sought to capture her. 329 331 338 339

Appearance

In her usual human form, Yuffie is an elegant black-haired, blue-eyed princess with a cold, refined presence. Her Blood Race transformation changes her into a petite, white-haired girl with blood-red eyes. 270 338 543

• Black hair, commonly arranged in a princess braid in her restored human form. 543
• Blue eyes in human form. 543
• White hair reaching her calves and blood-red eyes in Blood Race form. 338
• Blood Race form is approximately one meter tall. 338
• Maintains exceptionally controlled posture and immaculate presentation when under normal circumstances. 296
• Usually dresses more simply than expected of an imperial princess, but adopts formal, ornate clothing when preparing for major political action. 295

Personality

Yuffie is highly intelligent, disciplined, and naturally reserved. She projects authority through a cold, formal manner, but is neither cruel nor unreasonable; those around her describe her as polite and considerate despite the pressure created by her presence. 295

She was once more arrogant and easily influenced by emotion, but experience made her more rational, approachable, and willing to seek help. She can accept another person’s superiority without jealousy, as shown when Leticia defeats her in swordsmanship. 67 291

Yuffie approaches politics with a strong sense of responsibility and pragmatism. Though initially inclined toward moral certainty and factional balance, she learns to seek allies wherever possible and to use trade, industry, and shared benefit to create political leverage. 295 304

Abilities & Skills

Blood Race Physiology

Yuffie’s awakened bloodline grants her overwhelming magical reserves, rapid recovery, blood manipulation, and the ability to assume different physical forms. 338 350 543

• Can regenerate from injuries, including damage caused by Holy Light, by removing injured tissue and healing afterward. 350
• Requires blood to replenish herself despite her rapid magical recovery. 350
• Can transform between her Blood Race body and restored human form. 543 564
• Uses a ruby and body-reversal magic to return to human form. 564
• Can grant Blood Race traits to others through her blood and retain a degree of control over those she transforms. 568

Blood Magic

Yuffie can create and shape high-density blood into weapons, including swords. The power of these weapons depends directly on her magical strength. 350

• Blood-created weapons are stronger than steel. 350
• Can produce weapons rapidly during combat without carrying conventional replacements. 350
• Mithril weapons, Holy Light, divine artifacts, and purification magic can weaken or damage her blood constructs and control. 350
• Frozen blood loses its connection to her. 350

Flight

Yuffie can manifest bat-like wings and fly, giving her substantial mobility in combat. 350

• Her aerial movement made her difficult for Ria, Lilim, and Leticia to contain during sparring. 350
• She can choose to fight on the ground when seeking a direct duel. 350

Swordsmanship

Yuffie is a highly trained swordswoman whose style is swift, precise, and ornamental, with no wasted movement. 291

• Formerly considered the academy’s strongest student in swordsmanship. 291
• Uses the Augustus Imperial Family’s Sacred Imperial Brave Sword Technique, including Holy Thrust. 534
• Acknowledged Leticia’s superior swordsmanship after her Fine Steel Swift Sword was broken in their spar. 291
• Can combine her physical speed, magic, and Battle Qi in high-speed rapier attacks. 534

Magic, Alchemy, and Technical Knowledge

Yuffie possesses broad knowledge of magic, alchemy, ancient techniques, and military technology. 291 446

• Identified magic that uses sound and mana for location detection, as well as dark-elf detection magic preserved in Lynn’s family line. 446
• Created a mental stimulant potion from magical spring water and other materials; it improves mental power, soul strength, and resistance to mental magic, but excessive use makes magic power restless. 561
• Proposed light self-propelled transport vehicles for moving heavy weapons. 475
• Established a southern firearms factory producing muzzleloaders and specialized close-range firearms. 319

Political and Strategic Planning

Yuffie uses industry, logistics, alliances, and factional interests as political tools rather than relying solely on direct confrontation. 304

• Planned trade between imperial factions involving grain, industrial equipment, warhorses, and firearms. 304
• Intended to strengthen Lothair’s army, enrich Louis, and fortify the Grand Duchy of the South while secretly investigating the Red Eyes. 304
• Accelerated imperial plans in response to the plague, the goblin war, and internal instability. 271
• Recognized the need to improve national strength through productivity, population, wealth, talent, and military capacity. 303

Equipment / Weapons / Items

• Rapier — Yuffie’s preferred weapon; she later carries a Mithril rapier. 291 568
• Fine Steel Swift Sword — Her sparring sword, broken by Leticia during their duel. 291
• Ruby bloodline-control gem — Enables control over bloodline concentration and assists her return to human form. 338 564
• Mental stimulant potion — Her own alchemical creation, used to enhance mental and soul strength. 561
• Black gem wand — A magic gem item that greatly reduces the restriction and loss of magical power during conversion. 566

Relationships

• Lynn Olesian — Her fiancé and a major political ally. Their relationship begins with Yuffie’s disappointment in his earlier behavior, develops through mutual observation and political correspondence, and later becomes deeply personal. 294 339 342 562
• Leticia — Close friend, confidante, and guard knight. Leticia surpasses Yuffie in swordsmanship, receives Yuffie’s magic sword, and repeatedly protects her during Louis’s coup. 271 291 331
• Ria — Former close friend and Saintess. Yuffie seeks her assistance with reproducing cannon technology and later reunites with her after becoming a Blood Race. 67 338
• Emperor Charles — Her father. Though politically constrained by succession and imperial factionalism, he remains concerned for Yuffie’s happiness, safety, and future influence. 297 298
• Isa — Her deceased mother. Yuffie’s longing for Isa strongly affects her response to Freya’s maternal behavior. 124 296
• Freya — Her stepmother figure and political counterpart. Freya’s warmth evokes Yuffie’s memories of her mother, while her political skill forces Yuffie to confront her own weaknesses. 296 297
• Louis — Her second elder brother and political adversary. He poisons Yuffie, seizes her military industry, rebels, and attempts to consolidate power through Blood Race forces. 338 339 529
• Mia — Her loyal maid and household manager. Mia handles intelligence and domestic affairs, helps Yuffie escape during the coup, and remains one of her most dependable attendants. 271 338
• Yuffie’s aunt — A provocative relative who researched vampires and supplied the catalyst connected to Yuffie’s transformation. 568

Story Role / Major Arcs

Imperial Reform and Political Isolation

Yuffie seeks foreign weapons knowledge, confronts the Empire’s complacency, and recognizes the limits imposed by her position as the third princess. She supports slavery abolition and attempts to gather allies despite pressure from Lothair, Louis, and other factions. 67 125 295 297

Academy and Southern Development

After being directed toward the Academy, Yuffie builds an alternative power base through scholarship, weapons development, southern industry, and faction-balancing trade. Her plans aim to strengthen the Empire without committing to a direct succession struggle. 298 303 304 319

Blood Race Awakening and Exile

Louis’s actions result in Yuffie awakening as a Blood Race. Her transformation, Louis’s seizure of the Imperial City, and the threat to expose her identity force her to flee north under Leticia and Mia’s protection. 329 331 338 340

Blood Race Training and Reconquest

Yuffie tests her new powers with Lynn, Ria, Lilim, and Leticia, discovering both her extraordinary combat potential and her vulnerabilities to holy and Mithril-based countermeasures. She later regains her human form, investigates the forces targeting her, and contributes to the wider reconquest effort. 350 543 561

Augustus Garrison Return

Six months after her transformation, Yuffie returns to the Augustus garrison, converts more than a thousand soldiers into Blood Race members, and confronts her aunt over the family’s vampire research and the catalyst used against her. 568

Trivia

• Yuffie’s broad academic excellence did not extend to drawing; she considers her sketches less accomplished than Lynn’s. 475
• She privately reads improper novels and sometimes plays with her hair when stressed, habits that contrast with her cultivated public image. 296
• Her usual coldness is partly a product of upbringing rather than a lack of concern for others. 565
• She describes palace infighting as self-destructive, arguing that internal conflict only creates opportunities for outside forces to provoke and exploit divisions. 579