Bai Nianyun

Bai Nianyun is a Grand Yin Holy Maiden, Meng Dajiang's wife, and Meng Chuan's mother. Her decision to save civilians exposes the family she formed in secret, forcing more than fifty years of separation. She remains loyal to that family despite institutional pressure, eventually reunites with them, and becomes part of the stable home to which Meng Chuan returns after the war.

Biography

A Hidden Marriage and Costly Choice

Bai Nianyun is selected for Grand Yin Holy Hall when young and spends three decades under its restrictions. After becoming a Great Solar Godfiend, she earns permission to descend the mountain and instead travels secretly through the Great Zhou Dynasty. There she meets Meng Dajiang after his military service, chooses him without regard for his mortal status, and hides her Holy Maiden identity so they can marry. Their eight years together produce Meng Chuan and the family life that neither sect rules nor clan expectations would have permitted openly. (Chapters 218 and 223)

When demons attack while Meng Chuan is six, Nianyun can preserve her cover only by fleeing as a supposed mortal and leaving the surrounding population to die. She instead reveals her Grand Yin cultivation, kills the attacking demon monarchs and army, and saves the endangered civilians. The recognizable system alerts Earth Net and Black Sand Grotto-Heaven, compelling her return. She leaves an Astral Spirit Herb for her son's future foundation and accepts separation after obtaining Bai Yaoyue's promise to spare the Meng family. Dajiang and their son maintain a cenotaph so the world believes she died in the invasion. (Chapters 223–225 and 409)

Nianyun advances to the Marquis Godfiend realm after returning, but the same Grand Yin path that rewards emotional detachment conflicts with the attachment she refuses to renounce. She judges that marriage and motherhood slow her later cultivation and remove her from contention for control of Grand Yin Holy Hall, yet explicitly does not regret the choice. Unable to live with her family, she follows reports about Meng Chuan, secretly watches his wedding from a distance, and later struggles not to seek out the grandchildren whose existence she discovers through intelligence reports. (Chapters 160, 218, and 409)

Exposure, Pressure, and Reunion

Marquis Martial Yang, who wants Nianyun as both partner and source of political advantage, learns of her marriage and retaliates against Dajiang. He arranges an illusion that makes Dajiang falsely remember colluding with the Skydemon Sect, nearly causing his execution. Nianyun does not participate in uncovering the plot because the attack and the investigation occur in the Great Zhou Dynasty, but her concealed relationship is the motive behind it. The case exposes her survival to Meng Chuan and converts a private separation into an issue between the great sects. (Chapters 218–225)

Even after Meng Chuan clears his father, the war delays a reunion. Li Guan explains that immediately releasing a Grand Yin Holy Maiden to join a Great Zhou Godfiend would reveal why Black Sand Grotto-Heaven had made an exception and could expose Meng Chuan's secret underground campaign. Nianyun therefore remains at her assigned post until a defense swap can disguise the change. Her conduct during this interval is restraint rather than abandonment: she continues serving while waiting for a release that will not endanger the son whose position makes it possible. (Chapters 365–366 and 409)

Meng Chuan's wartime achievements finally change Bai Yaoyue's calculation. Rather than risk conflict with the young Regis Godfiend, Black Sand Grotto-Heaven grants his request, recalls Martial Yang for punishment, and releases Nianyun from the post and Holy Maiden constraints that keep her away. She reunites with Dajiang after more than fifty years, then nervously faces the adult son she last held as a child. Meng Chuan calls her “Mom,” and their embrace restores the relationship that her apparent death had concealed for most of his life. (Chapters 401 and 409–413)

Restored Family and Extended Life

With pressure on the cities reduced, Nianyun and Dajiang receive no new assignments and travel together. Their reunion is not treated as a ceremonial ending: they settle into Meng family life, welcome visits from Meng Chuan, and watch their grandchildren mature. Nianyun remains attentive to cultivation—she immediately recognizes the implication of her son's multiple Essence Soul avatars—but her daily life now includes painting, cooking for him, and advising Meng An before his departure into the outer realm. (Chapters 417, 480, 496, and 546)

When Dajiang and Liu Yebai approach the ends of their natural lives, Meng Chuan promises longevity treasures and places them in suspended animation until he can obtain them. Nianyun has more lifespan remaining as a Marquis, but separation from Dajiang becomes intolerable within a year, so she asks to enter the same slumber rather than spend a century alone. Her request reverses the earlier forced separation on her own terms: she chooses to wait so that waking will restore the household together. (Chapters 546 and 550)

More than two millennia later, Meng Chuan awakens the three elders and uses external longevity treasures to elevate their life essence. Nianyun becomes a Supremacy-level lifeform with a two-thousand-year lifespan, though the treatment does not grant corresponding technique comprehension or make her an Imperial Lord cultivator. She learns about Meng An's wife and child in Earth Cloud Mystic Realm during a full family meal. Her latest state is alive, reunited with Dajiang and Meng Chuan's wider family, and physically capable of sharing a future that the Grand Yin restrictions once denied her. (Chapters 624–625)

Appearance and personality

Bai Nianyun is introduced in a cyan robe, with the composed and cold bearing expected of a Grand Yin Holy Maiden. In Dajiang's memories she is a beautiful, gentle young woman, and her Marquis lifespan leaves her appearance largely unchanged across the decades of separation; only her aura becomes colder. In family settings after the reunion, that reserve gives way to tears, smiles, painting, and ordinary concern for her children and grandchildren. (Chapters 160, 218, 225, 412–413, and 496)

She is disciplined and capable of prolonged restraint, but her loyalty is not passive. She violates institutional expectations to build a family, chooses civilians over concealment during a demon attack, and risks herself to secure mercy for those she leaves behind. She can speak formally and dismiss unwanted familiarity, particularly from Martial Yang. Her own assessment recognizes that the Grand Yin path rewards coldness; her refusal to treat attachment as a mistake is therefore both a personal conviction and a cultivation cost. (Chapters 218, 223, and 409)

Abilities and cultivation

Bai Nianyun progresses from a Great Solar Godfiend to a Marquis Godfiend within Black Sand Grotto-Heaven's Grand Yin lineage. The corpus establishes the lineage's social rules, recognizable energy, and effect on a cultivator's emotional disposition, but it does not name her individual combat techniques or fully explain their activation mechanics.

Grand Yin Holy Hall cultivation

Grand Yin Holy Maidens are selected young, trained under strict restrictions, and expected to remain unmarried while competing to control Grand Yin Holy Hall. The lineage complements Halberd Holy Hall cultivation, which is why institutional marriages between the two groups can strengthen both partners. Nianyun's cultivation is distinctive enough that using it in another dynasty immediately reveals that a Grand Yin Holy Maiden acted. This prevents her from fighting openly while preserving her hidden family. (Chapters 218 and 223–225)

The path increasingly favors coldness and emotional detachment as it advances. Nianyun believes that marriage and childbirth interfere with that direction, explaining why her progress becomes very slow after reaching the Marquis realm despite high talent. This is a limitation of compatibility between her chosen life and the lineage as she understands it, not evidence that her powers disappear. At her latest demonstrated cultivation state she remains a Marquis Godfiend; no Regis breakthrough or named Grand Yin technique is shown. (Chapters 218, 225, and 409)

Combat and protective capability

Nianyun is already a Great Solar Godfiend when her concealed family encounters the demon invasion. Once she chooses to act, she kills the second Firmament demon monarchs and sweeps through their army quickly enough to force the survivors to retreat, saving the surrounding civilians. The scene establishes large-scale offensive ability against lower-level demons, but the account is retrospective and does not identify her weapon, range, named moves, or exact battlefield mechanics. Later chapters emphasize her service status rather than depicting another complete fight. (Chapters 223 and 225)

Supremacy-level life essence

After suspended animation, Nianyun consumes a longevity treasure supplied by Meng Chuan. The external treatment qualitatively raises her life essence to that of a Supremacy-level special lifeform and gives her a two-thousand-year lifespan. It is a permanent physical elevation, not a cultivation breakthrough: the corpus does not show her gaining a Supremacy's laws, techniques, or self-created combat system. Her latest source-grounded state is an alive Supremacy-level lifeform whose earlier Grand Yin skills remain part of her history, with no later battle used to establish their changed power. (Chapters 550 and 624–625)

Power progression

Relationships

• Meng Dajiang: Husband chosen while he is still mortal. Their hidden marriage, forced separation, reunion, shared travel, and synchronized slumber define Nianyun's rejection of a life governed solely by cultivation rank.
• Meng Chuan: Son whom she leaves only after saving civilians exposes her identity. She watches his growth from afar, reunites with him as an adult, and later becomes part of the family stability that strengthens his resolve.
• Bai Yaoyue: Bai family matriarch and the authority who constrains Nianyun after her return. Nianyun secures the Meng family's safety from her, then gains release when Meng Chuan's achievements change Yaoyue's political judgment.
• Marquis Martial Yang: Unwanted suitor whose jealousy turns Nianyun's hidden marriage into an attack on Dajiang. His framing plot nearly destroys her family before Black Sand Grotto-Heaven punishes him.
• Meng An: Grandson whose departure for the outer realm she accepts with caution, advising him to seek his father's guidance. She later learns that he has built a family in another mystic realm.
• Meng You: Granddaughter whom Nianyun welcomes into the restored household and later joins at the extended family's reunion meal.

Items

No notable item is established as Bai Nianyun's personal equipment or property. The longevity treatment that changes her later life state is administered by Meng Chuan rather than retained under her control.