The regressed eldest daughter of the Sichuan Tang Clan. Having orchestrated the destruction of her treacherous husband Namgung Hyun and ending her own life in her previous timeline, she returns to her seventeen-year-old self with absolute resolve. Possessing a ruthless, calculating intellect masked by aristocratic composure, Sohwa abandons naive sentimentality to proactively eradicate internal spies, weaponize historical foresight, and establish defensive hegemony for her family. Powers: Wielder of the legendary Myriad Poison Immune Physique, enabling her to ingest, synthesize, and neutralize lethally concentrated toxins. She commands advanced Gu-parasite manipulation using her own blood, possesses elite hidden weapon trajectory computation, and demonstrates exceptional strategic deduction and counter-espionage tactics.

The fearsome Supreme Elder of the Tang Clan, historically whispered of across the Jianghu as the "Black Heaven Dark Ghost" and "Mad Poison Maniac." Beneath his eccentric, terrifying demeanor lies an unyielding devotion to his bloodline. Serving as Sohwa’s primary pillar of martial legitimacy and military force, he recognizes her heightened strategic genius and backs her unorthodox maneuvers without hesitation. Powers: Transcendent-tier master of lethal Qi projection, supreme hidden weapon deployment, and catastrophic area-of-effect poison auras. Capable of decimating entire battalions of elite assassins single-handedly and manipulating spatial formations with explosive poison canisters.

Tang Sohwa's earnest and pure-hearted younger brother. In the original timeline, his untimely drowning fractured the clan's leadership and catalyzed Sohwa's tragic marriage. Spared from death through Sohwa's direct intervention, he matures into a dedicated martial artist, carrying the lineage's pride with rigorous discipline. Powers: Chosen inheritor of the supreme secret art Myriad Blossoms Filling the Sky (Mancheonsunghwa). High internal Qi baseline, prodigal hidden weapon kinetic accuracy, and defensive evasion techniques.

The formidable Young Lord of the Namgung Clan, embodying the disciplined apex of orthodox nobility. Stern, observant, and strictly honorable, he cuts through political subterfuge with absolute martial pragmatism. Recognizing the brewing demonic threat, he navigates clan diplomacy with sober responsibility, accepting personal accountability for his faction's investigative blunders. Powers: Peak-tier mastery of the Namgung Great Sword Arts and Imperial Sword Qi. Possesses massive internal energy reservoirs capable of severing high-velocity projectile volleys, dispersing toxic mists, and suppressing multiple First-Rate combatants simultaneously.

The enigmatic, hyper-calculating sovereign of the revitalized Blood Cult. Operating from the deepest shadows of the Central Plains, he rejects mindless slaughter in favor of generational infiltration, socio-political destabilization, and the systematic dismantling of the Murim Alliance's core pillars from within. Powers: Legendary demonic cultivation tier, dark spiritual arts, parasitic blood manipulation, and supreme organizational management over vast networks of clandestine assassin divisions and intelligence bureaus.

Revered and feared within the demonic underworld as the "Blood Demon's Hunting Hound." Haerak is a master of deep-cover identity assumption, cold-blooded wetwork, and psychological destabilization, adept at embedding himself within orthodox merchant networks to prepare regional supply chains for war. Powers: Advanced shapeshifting and Qi-concealment arts, First-Rate blood-blade assassination techniques, infiltration logistics, and covert interrogation mastery.

A hardened combatant of the Tang Clan's elite Black Tiger Squad. After being rescued and cleansed from a lethal poisoning attempt through Sohwa's direct medical intervention, he pledges unyielding fealty to her personal retinue, serving as her primary bodyguard and clandestine field agent. Powers: Heavy martial conditioning, dual hidden-blade combat, covert reconnaissance, defensive escort formations, and resistance against mid-tier biological neurotoxins.

An embedded sleeper agent serving external hostile syndicates within the administrative bureaucracy of the Tang Clan. Operating under the guise of an unassailable record-keeper, his clandestine leaks are systematically isolated and redirected by Sohwa's counter-espionage net. Powers: Document forgery, discreet information routing, basic defensive Qi, and concealed toxic delivery mechanisms.

An elder statesman of the Namgung Clan who maintains a strict adherence to classical scholarship and martial ethics. Alerted by Sohwa via encrypted classical missives, he conducts internal purges to root out demonic moles within his jurisdiction. Powers: Senior-tier Great Sword techniques, orthodox internal energy mastery, and administrative authority across Alliance sectors.

A veteran weapons-master within the Tang Clan's martial training halls. Tasked with instructing Sohwa in advanced hidden projectile mechanics, he is astounded by her supernatural trajectory intuition and lethal precision. Powers: Master instructor of hidden throwing techniques (Amgi), spatial deflection, kinetic energy transfer, and specialized weapon maintenance.

Twin young maidens of the Tang Clan bloodline whose original tragic fates involved exploitation and sacrificial deaths under internal clan strife. Intercepted and protected by Sohwa, they are nurtured into reliable assistants within the family compound. Powers: Rudimentary hidden weapon skills, botanical poison preparation, and family estate management.