Biodata

Feature Information
Name Zi Yu (紫玉)
Alias(es) Qing Yu (elder persona); “Sword Immortal Zi Yu” 495
Gender Female
Affiliation Jade Pearl Heroes; one of the Jade Pearl Heroines 495 560
Occupation/Role Swordswoman, writer, researcher, and Duan Yun’s recurring combat partner 242 513
Status Active 611
First Appearance Chapter 228

Power Progression

Stage / Realm / Level Chapter Notes
Moon-Cloaking Light-Shaming Sword 241 Duan Yun discovers two distinct streams of true qi within her and encounters the mirror-like sword art associated with Zi Yu and Qing Yu.
Twin-sword unity 242 Zi Yu and Qing Yu jointly resist the Chivalric Fire Lotus; their chain sword splits into two blades, one wielded in each hand. Their combined state is stronger than either persona alone.
Blade-Sword Dual Mastery 495 Borrowing Duan Yun’s surplus true qi, Zi Yu awakens Qing Yu and controls a saber and sword simultaneously through their two consciousnesses. She defeats three Palace of Origin fairies and pursues the survivors.
Lightning-Spinning Sword 495 Develops lightning-like curving Sword Qi to chase fleeing opponents through the air.
Iceheart Art stabilization 496 Uses the Iceheart Art to overcome her withdrawal from Duan Yun’s addictive true qi, restoring her clarity without further qi transfer.
Long-range chain-sword application 560 Zi Yu and Qing Yu unite their wills to fling curved, whip-like Sword Qi across nearly two hundred feet, using repeated strikes to pull themselves onto an ice peak.

Background

Zi Yu grew up lonely and often wished for an older sister who could guide and protect her. She began dreaming of such a sister in childhood; those dreams became increasingly frequent until Qing Yu began manifesting as a separate personality within the same body. 232

Her shared body contains two distinct personas and two streams of true qi. Zi Yu is the younger, violet- or purple-eyed sister, while Qing Yu is the older, azure- or cyan-eyed sister; their differing eyes and qi become visible when control shifts between them. 241 242 495

Zi Yu first approaches Duan Yun as someone seeking treatment for the pain and instability caused by her condition. He identifies her as ill and promises to treat her, beginning their unusual physician-patient relationship. 228

After Duan Yun subdues and treats the sisters, Zi Yu remains at Jade Pearl Manor. She claims she wants material for her writing and later agrees to help protect Ning Qing under an undisclosed arrangement with Duan Yun. 242

Appearance

Zi Yu is described as a beautiful, delicate-looking young woman with an exceptionally flexible body. Her appearance changes subtly with Qing Yu’s emergence, especially through their contrasting eye colors. 241 478

  • Zi Yu’s eyes — described as violet or purple when she is foremost. 241 242
  • Qing Yu’s eyes — described as azure or cyan; one eye may change color when Qing Yu awakens. 241 495
  • Combat bearing — can shift from fearful or flustered to a commanding “Sword Immortal” persona once her sword intent rises. 495 497

Personality

Zi Yu is imaginative, excitable, and intensely driven by stories. She writes fiction constantly, invents elaborate scenarios around people she knows, and researches practical subjects so her writing can depict the world convincingly. 242 513 Her imagination also makes her highly susceptible to fear in supernatural settings, though she repeatedly follows Duan Yun into dangerous places despite that fear. 392 497

She is proud of her swordsmanship and can become theatrical after a breakthrough, loudly styling herself as a Sword Immortal. Beneath the bravado, she is aware of her limits and often relies on Duan Yun for reassurance when facing threats beyond ordinary martial artists. 495 497

Qing Yu is more mature, composed, domineering, and openly ambitious than Zi Yu. She is drawn to Duan Yun’s rise and wants to secure a place at the center of the Jade Pearl Heroes, sometimes treating her younger sister as both a rival and an extension of herself. 226 398 Despite their frequent arguments, the two cooperate instinctively when survival requires it. 242 495

Abilities & Skills

Moon-Cloaking Light-Shaming Sword

Zi Yu’s signature sword art creates mirror-like sword light that exposes shame, guilt, and hidden thoughts. It can weaken opponents whose minds are unsettled and can be amplified into a giant reflective mirror in battle. 242 395

  • Splits a single chain sword into two separate swords when Zi Yu and Qing Yu fight together. 242
  • Uses reflection and psychological pressure rather than raw cutting force alone. 395
  • Its effectiveness can turn inward; Zi Yu herself may be affected by reflected embarrassment or desire. 395

Dual Consciousness and Blade-Sword Dual Mastery

Zi Yu and Qing Yu can each control a weapon at the same time, allowing one body to wield a saber and sword in radically different styles. 495

  • Zi Yu controls refined, mirror-like Sword Qi.
  • Qing Yu produces broad, forceful Blade Qi with mountain-cleaving force. 495
  • Their coordination lets them perform techniques that Duan Yun considers difficult even with his own World-Shaking Wisdom. 495 509
  • The sisters argue constantly, and poor synchronization can limit their effectiveness. 495

Lightning-Spinning Sword

Zi Yu can send Sword Qi along curving, lightning-like paths that continue pursuing a moving target. 495

  • Used to chase escaping Palace of Origin priestesses through the air. 495 496
  • Can change direction repeatedly to follow evasive movement. 496
  • Its lightning-like trajectory resembles Duan Yun’s own techniques, prompting him to demand “copyright fees.” 495

Iceheart Art

A calming cultivation method used to stabilize the mind and restrain desire. 496

  • Allowed Zi Yu to recover from dependence on the true qi Duan Yun transferred into her. 496
  • Initially failed to suppress her cravings until she intensified her focus through jealous and possessive thoughts. 496

Research and Writing

Zi Yu’s work as a writer gives her unusually broad practical knowledge. 513

  • Recognizes and interprets ancient Moon Palace and Palace of Origin lore. 396 397
  • Understands feng shui, dragon veins, and Dragon-Seeking and Acupoint-Pointing methods. 513
  • Has studied hydraulic engineering and helped turn Springwatch City’s river excavation into a major construction project. 385 440
  • Creates convincing false identities and backstories during infiltrations. 600

Relationships

  • Duan Yun — Ally, combat partner, physician, and source of complicated romantic feelings. They share true qi in battle, with Zi Yu eventually drawing power from him rather than merely supporting him. 228 495 509
  • Qing Yu — Zi Yu’s elder-sister persona sharing the same body. They bicker and physically fight each other, but achieve their strongest sword-and-saber state when their wills unite. 232 495 509
  • Feng Ling’er — Fellow Jade Pearl Heroine and frequent romantic rival. Zi Yu teases her with fictional portrayals, while Feng Ling’er distrusts Qing Yu’s scheming behavior. 242 397
  • Shen Ying — Fellow Jade Pearl Heroine. Shen Ying and Feng Ling’er cooperate to capture Zi Yu when the sisters attempt to flee, and both remain wary of her motives. 242
  • Murong Brothers — A concerned ally who believes Zi Yu may be connected to his missing sister and urges her to accept treatment. 241 257
  • Ning Qing — Zi Yu promises to help protect her as part of a private agreement with Duan Yun. 242

Story Role / Major Arcs

Joining Jade Pearl Manor

Zi Yu enters Duan Yun’s circle seeking relief from her condition. After being defeated and treated, she remains at Jade Pearl Manor as a writer and auxiliary protector, despite the suspicion she attracts from Feng Ling’er and Shen Ying. 228 242

Red Pagoda Mountain Infiltration

Zi Yu and Duan Yun pose as talented sibling outer disciples of Red Pagoda Mountain. She investigates the sect’s Gold Mountain discovery, gathers intelligence, and records the possibilities in her notebook. 299 300

River Excavation and Palace of Origin Investigation

Zi Yu assists with the development of Chivalric Land’s river project and accompanies Duan Yun into the underground water caverns uncovered during excavation. Her fear of ghosts contrasts with Duan Yun’s aggressive response to supernatural threats. 392 393

Fusang Island and the Palace of Origin

Zi Yu serves as Duan Yun’s translator, guide, and sword partner during their campaign through Fusang Island. At the Palace of Origin, she develops Blade-Sword Dual Mastery, defeats artificial “fairies,” and earns the confidence to call herself a Sword Immortal. 479 495

She later struggles with the addictive true qi acquired during the palace battle, but regains control through the Iceheart Art before continuing toward Great Tengu’s inner sanctum. 496 497

Snow Mountain Rescue

When Murong Brothers and Ning Qing are trapped by dangerous nuns, Zi Yu chooses to seek reinforcements rather than attempt a hopeless ambush. She races across the snow mountains, using her maximum-range curved Sword Qi with Qing Yu’s help to reach safety and summon Duan Yun. 560 561

Notable Quotes

“I, Zi Yu, need only a little assistance from Elder Sister and Duan Yun to become invincible beneath heaven.”
— Zi Yu 495

“What kind of Snowman would deliberately tell you stories about Snowmen?”
— Qing Yu 557

Trivia

  • Zi Yu’s fiction frequently uses people around her as material, often without their consent or accurate characterization. 242
  • Qing Yu generally appears at night, while Zi Yu is usually the daytime persona. 557
  • Duan Yun considers Zi Yu’s left-right mutual combat, created by her two personas fighting through one body, a level of coordination he cannot replicate. 509