Lin Yun

Biodata

Feature	Value
Name	Lin Yun (林云)
Gender	Male
Affiliation	Qingcheng First Advanced Academy; admitted to Imperial Capital First Martial Academy 15 48
Occupation/Role	Martial arts student; mutated-beast hunter in District 33; civilian rescue volunteer 21 29 33
Status	Alive; departing for the Imperial Capital to enroll in a martial academy 48
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
2 Blood Vitality	1	His recorded starting level before awakening the Spend-to-Cultivate System.
12 Blood Vitality	1–2	Spent his brother's compensation through the system to gain 10 points at once, killing Wang Erhu with a single punch; the uncontrolled increase nearly destroyed his body.
Martial Disciple / first-level Martial Apprentice	6–8	Completed full body tempering with Astral Body-Tempering Grass, producing the blood-qi mist characteristic of the Martial Disciple realm. 6 7
Fourth-level Martial Apprentice	8	Used the compensation extracted from Zhang Lei, Li Chao, and Sun Yuan to advance; his examination reading later reached 46.1. 8 11
Late-stage Martial Disciple	19	Displayed late-stage strength when he killed Zhao Ritian after Scarface's attack on the martial arts hall.
Seventh-level Martial Apprentice — 77 Vitality	20	Wind-Treading Step reached beginner stage and Vajra Fist reached minor mastery.
Eighth-level Martial Apprentice — 88 Vitality	28	Exchanged 120,000 Dragon Nation currency for vital energy and blood after surviving Ghost's assassination attempt.
Peak Martial Apprentice — 99 Vitality	36	Reached the realm's limit after twenty days of hunting and converting beast-material profits through the system.
First-level Martial Apprentice (re-cultivating)	47–48	Chose the Seven-Element Foundation Casting Method, which requires six cycles of dissipating and re-cultivating cultivation for extreme foundation establishment. 47 48

Background / History

Lin Yun transmigrated into a world transformed by spiritual-energy revival and exotic beasts. Found as an abandoned infant, he was taken in by nine-year-old Lin Hai, who raised him alone for eighteen years. Lin Hai remained Lin Yun's only family until dying during a classified Vanguard Army mission while covering his comrades. Lin Yun received his urn and 200,000 Dragon Nation credits in compensation. 1

When Wang Erhu attempted to seize that compensation and insult Lin Hai's ashes, Lin Yun awakened the Spend-to-Cultivate System. He raised his vitality from 2 to 12 points and accidentally killed Wang Erhu with one punch while defending the urn. A Vanguard Army officer who had delivered Lin Hai's death notice enabled him to leave the scene. 1 2

Lin Yun used the Astral Body-Tempering Grass to repair the damage caused by his forced increase and complete body tempering. He then rapidly advanced before the martial arts examination, scored 726.35 overall, placed second in comprehensive scores, and earned admission to Imperial Capital First Martial Academy. 6 7 15

Before leaving Azure City, he hunted mutated beasts in District 33 to build resources and gain real combat experience. He survived an assassination arranged by Wang Dalong, aided the City Defense Army in rescuing 97 civilians, killed the peak first-tier Black-Belly Scaled Snake with Zhou Lei, and eventually killed Wang Dalong in retaliation. 26 29 33 45

At peak Martial Apprentice, Lin Yun chose the low heaven-tier Seven-Element Foundation Casting Method rather than an easier foundation method. Its extreme-foundation path requires him to disperse and rebuild his cultivation six times. 46 47

Appearance

Lin Yun is a young man with a tall, straight-backed bearing. Even after severe exhaustion in the practical examination, he keeps his posture upright; when traveling to the Imperial Capital, he wears ordinary casual clothes and carries a worn backpack. 5 15 48

• Faint red blood-qi mist rises around him after entering the Martial Disciple realm. 7
• Often carries himself with a restrained, calm demeanor despite hostile attention. 9 48
• Uses fistguards and later reinforced battle boots for field combat. 21 33

Personality

Lin Yun is driven by loyalty to Lin Hai's memory and teachings. His commitment to “protect the weak” informs both his decision to enter dangerous fallen zones and his refusal to abandon civilians or Zhou Lei during the Huimin Residential Compound rescue. 2 31 33

He is notably proud and self-reliant. He refuses Su Nianhe's financial help when he believes he should earn money himself, though he accepts cultivation resources and instruction when they directly support his goal of becoming strong enough to stand beside and protect her. 4 19 20

In combat, Lin Yun is decisive and ruthless toward threats that target him or those close to him. He kills Wang Erhu, Zhao Ritian, Ghost, and Wang Dalong rather than allowing repeated enemies to remain dangers. 2 19 26 45 Outside combat, he remains composed under mockery and does not bother explaining himself to people he considers beneath meaningful discussion. 48

Abilities & Skills

Spend-to-Cultivate System

Lin Yun's system converts Dragon Nation currency into cultivation resources or direct increases in vitality and blood.

• Raised his vitality from 2 to 12 points in his first use, allowing him to overpower Wang Erhu. 1 2
• Can exchange for recovery items, spirit plants, and blood-qi increases. 2 6 17 28
• Ignores ordinary talent and realm restrictions, but sudden gains can cause lethal physical instability without appropriate body tempering. 2
• Lin Yun keeps the system secret from Su Nianhe. 20

Battlefield Combat Arts

Lin Yun learned close-quarters fighting methods from Lin Hai, whose techniques were honed on the battlefield.

• Excels at fighting multiple opponents and exploiting vulnerable points. 8 13 14
• Defeated Zhang Lei, Li Chao, and Sun Yuan despite their coordinated attack. 8
• Cleared the ninth stage of the practical examination's eight-man encirclement and defeated four opponents in the tenth stage before exhaustion stopped him. 14
• His style is recognized as authentic military killing technique rather than a refined orthodox martial art. 13 14

Vajra Fist

A basic fist martial skill recorded in Lin Hai's notebook. Its low entry threshold is offset by the relentless practice required for real power. 8 14

• Entered the skill shortly before the martial arts examination through four days of near-continuous training. 14
• Broke the ninth-stage encirclement in the practical examination. 14
• Reached minor mastery by Chapter 20 and major mastery after extended hunting in District 33. 20 36
• At major mastery, its condensed force can kill Rockback Beasts in a single strike. 36

Wind-Treading Step

A high-grade Yellow-tier movement martial skill given to him by Su Nianhe. 19

• Reached beginner stage before Lin Yun entered District 33. 20
• Enables highly precise evasion and rapid repositioning against mutated beasts. 20 29
• Its effectiveness increases by 30% when used with the Gale Battle Boots. 36

Field Tactics and Survival

Repeated hunts and assassination attempts sharpened Lin Yun's instincts and adaptability in fallen zones.

• Defeated an Ironclad Turtle by targeting its leg joints and exposed head instead of its armored shell. 23
• Used a ruined building's unstable structure to trap Ghost and a Rockback Beast, creating an opening for a counterattack. 24
• Led mutant beasts away from trapped civilians and protected the evacuation route during the Huimin Residential Compound operation. 29 32

Equipment / Weapons / Items

• Armybreaker Fistguards — Secondhand, high-quality alloy fistguards purchased for fighting mutated beasts. 21 23
• Spirit Rhino Inner Armor — Secondhand protective inner armor obtained alongside the fistguards. 21
• Gale Battle Boots — First-tier top-grade boots awarded by Lieutenant Zhang after the rescue of 97 civilians; improve mobility, cushioning, and Wind-Treading Step. 33 36
• Seven-Element Foundation Casting Method — Low heaven-tier foundational cultivation method purchased from Elder Qin for 5.5 million yuan. 47

Relationships

• Lin Hai — Adoptive older brother, guardian, and martial mentor. Lin Hai raised Lin Yun from infancy, left behind Vajra Fist notes, and died as a Vanguard Army martyr. 1 8
• Su Nianhe — Longtime friend and primary emotional support. She waited for him for ten years, calls herself his family, trains with him, and provides Wind-Treading Step. 6 16 19
• Zhou Lei — City Defense Army captain and rescue-operation comrade. Lin Yun fought beside him against the Black-Belly Scaled Snake; Zhou later introduced him to Elder Qin. 31 32 46
• Black Brother — Martial artist who rescued Lin Yun after his battle with Ghost. He retained Ghost's folding crossbow as payment while leaving Lin Yun's other belongings untouched. 26
• Elder Qin — Retired military quartermaster who sold Lin Yun the Seven-Element Foundation Casting Method after learning of his actions in District 33. 46 47
• Wang Dalong — Wang Erhu's older brother and a major enemy. He hired Ghost to kill Lin Yun and was later killed by Lin Yun. 26 45
• Zhao Ritian — Jealous school rival who repeatedly sought to humiliate Lin Yun and hired Scarface to cripple him; Lin Yun killed him after the attack on Su Nianhe's martial arts hall. 4 17 19

Story Role / Major Arcs

• Lin Hai's death and Wang Erhu incident — Receives his brother's compensation, awakens the system, and kills Wang Erhu while protecting Lin Hai's ashes. 1 2
• Martial arts examination — Completes body tempering, defeats attackers sent by Wang Dalong, displays 46.1 vitality, and reaches the tenth stage of the practical assessment. 6 15
• Training with Su Nianhe — Trains at the Su family's martial arts hall, withstands Zhao Ritian and Scarface's attack, and receives Wind-Treading Step. 16 20
• District 33 hunting and rescue — Hunts mutated beasts, survives Ghost's ambush, joins the Huimin Residential Compound rescue, and receives the Gale Battle Boots. 21 36
• Revenge and extreme foundation path — Kills Wang Dalong, reaches peak Martial Apprentice, acquires the Seven-Element Foundation Casting Method, and begins dispersing his cultivation for extreme foundation establishment. 45 48

Notable Quotes

“You said a man must stand tall enough to hold up heaven and earth, and protect the weak.” 2