Blood Essence

The Lowborn Butcher: Slaying My Way to Godhood

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Original Name:血气 (xuè qì)Gender:NeutralKind:ConceptScope:Novel-specificStatus:ActiveSource:AIOccurrences:229Chapters:59

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Context UptoCh. 50

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Updated19 Sep 2026

Novel Wiki

1Biodata
2Power Progression
3Properties
4Cultivation Functions
4.1Body Tempering
4.2Healing and Recovery
4.3Baleful-Energy Refinement
5Documented Harvests
6Limitations
7Higher-Realm Manifestations
8Terminology

Novel Wiki

Biodata

Feature	Details
Name	Blood Essence (血气)
Type	Vital energy and cultivation resource
Primary Source	Seized through the Slaughter Register after killing living beings 1
Primary User	Chen Mu
First Appearance	Chapter 1

Power Progression

Documented Blood Essence milestones for Chen Mu.

Stage / Realm / Level	Chapter	Notes
Mortal — Blood Essence Insufficient	1	Chen Mu’s Slaughter Register records him as a Mortal with 98/100 vigor; he is two wisps short of the Hundred-Blood Trial.
Hundred Blood Filled	1	Killing Huang Silang grants 10 wisps and completes the Hundred-Blood Trial, the prerequisite for formally practicing martial arts.
Body-Tempering First Stage	6	After circulating Rampaging Bull Force and spending one Karmic Slaughter point on comprehension, Chen reaches 150/1000 Blood Essence.
Skin Refining — Minor Completion	9	A Bone-Strengthening Pill, cultivation, and recent kills raise his reserve to 320/1000; his healed skin can resist an ordinary knife.
First Stage, near breakthrough	14	Training and two Bone-Strengthening Pills raise his Blood Qi to 720/1000.
Body-Tempering Second Layer — Flesh Refinement	15	The Blood Essence taken from Yan Song and two Body-Tempering subordinates breaks the first-stage limit, increasing Chen from 720/1000 to 1110/2000.
Body-Tempering Third Tier	18	Chen invests 35 Karmic Slaughter into Rampaging Bull Force, reaches Mastery, and advances with 2000/3000 Blood Essence.
Body-Tempering Fourth Tier — Silver Skin	34	The Yin Extremity Profound Baleful Art refines Mysterious Yin Corpse Balefulness, advancing Chen to 3000/4000 Blood Essence.
Body-Tempering Sixth Tier — Silver-Skin Body	34	Refining residual balefulness and nearly ten Bone-Strengthening Pills pushes Chen directly to 5200/6000 and allows him to condense Profound Yin True Qi.
Sixth Tier, reservoir filled	44 45	Chen’s Blood Essence exceeds the 6000/6000 limit, but his internal-art progress remains insufficient for a further breakthrough.

Properties

Blood Essence is vital energy harvested by the Slaughter Register. When seized, it flows from Chen Mu’s blade into his body and settles in his dantian, strengthening his muscles, grip, reflexes, and physique. 1

An ordinary adult possesses no more than ten wisps of Blood Essence. Chen Mu originally required nearly half a year of livestock slaughter and medicinal nourishment to approach the Hundred-Blood Trial, a threshold that normally takes wealthy trainees several years of stance training to reach. 1

Blood Essence is distinct from Karmic Slaughter:

Blood Essence directly strengthens the body and supplies cultivation progress. 1 6
Karmic Slaughter is a separate resource acquired from killing martial artists, demons, and evildoers; it can improve comprehension, proficiency, or derive martial arts. 1 6
Karmic Slaughter gains are tied to a target’s evil deeds, while seized Blood Essence varies with the strength gap between Chen Mu and the target. 7

Cultivation Functions

Body Tempering

Circulating Blood Essence through meridians tempers the skin, flesh, sinews, and bones. The process is supported by stance training and medicinal resources. 6

Completing the Hundred-Blood Trial permits formal martial training. 1
At the Body-Tempering First Stage, Blood Essence begins circulating through the body to strengthen the physical form. 6
Reaching 1,000 Blood Essence allows advancement into the second layer, where cultivation begins transforming the muscles and fascia. 6 15
At the Body-Tempering Fifth Layer, martial artists conventionally begin refining blood and qi into inner force and True Qi. 12
Chen Mu bypasses this usual progression by using the Yin Extremity Profound Baleful Art to condense Profound Yin True Qi while still in the Body Tempering Realm. 34

Healing and Recovery

Blood Essence can restore combat capability after slaughter. Following his battle with Yan Rong and the black-clad attackers, the essence absorbed from corpses rapidly replenishes Chen Mu’s strength and helps restore his injuries. 18

Bone-Strengthening Pills greatly accelerate Blood Essence circulation, healing severe wounds while strengthening the body. One pill allows Chen Mu to complete more than a dozen circulation cycles and recover from a saber wound deep enough to expose bone. 9

The Yin Extremity Profound Baleful Art can use overwhelming Blood Essence to grind down and absorb yin, ghostly, and baleful energies that ordinary martial artists avoid. 34

Mysterious Yin Corpse Balefulness planted by Rakshasa Old Ghost is converted into nourishment rather than killing Chen Mu. 34
Purified baleful energy can be condensed into Profound Yin True Qi for offensive use. 34
This refinement produces extreme pain and risks damaging Chen Mu’s meridians, flesh, bones, and internal organs. 34

Documented Harvests

Target	Blood Essence Gained	Other Reward	Notes
Two live sheep	2 wisps	—	Livestock can provide Blood Essence, though in small amounts. 1
Huang Silang	10 wisps	1 Karmic Slaughter	This kill completes Chen Mu’s Hundred-Blood Trial. 1
Two armed evildoers	25	2 Karmic Slaughter	Their greater strength and violent history provide better returns than common thugs. 7
Two Body-Tempering First Stage martial artists	120	8 Karmic Slaughter	Both are killed in Chen Mu’s ambush of Yan Song’s group. 15
Yan Song, Body-Tempering Second Layer	150	10 Karmic Slaughter	His death contributes to Chen Mu’s breakthrough into Flesh Refinement. 15
Refined Corpse Fiend	10	10 Karmic Slaughter	Corpse fiends provide little Blood Essence but unusually high Karmic Slaughter. 25
Purple-Scaled Corpse King	200	50 Karmic Slaughter	The Corpse King’s reward raises Chen Mu’s Karmic Slaughter total to 130. 26
Ghostfoot Seven, Qi Accumulation Realm	400	40 Karmic Slaughter	Killed in a single ambush strike. 36
Zhao Liqiu, Qi Accumulation Realm	450	45 Karmic Slaughter	Killed by Chen Mu’s Exhaling Qi into a Sword technique. 37

Limitations

Blood Essence cannot be accumulated indefinitely once a cultivation threshold is reached; Chen Mu is unable to continue storing it at the Body-Tempering Second Layer until his internal cultivation progresses. 18
Different internal arts may use incompatible circulation routes. Chen Mu’s attempt to cultivate Black Tiger Baleful Heart Art while retaining Rampaging Bull Force causes nausea and dangerous reverse flow toward his head. 19
The direct absorption of gains through forced comprehension or major breakthroughs causes severe bodily pain, including sensations of torn sinews, shattered bones, and boiling Blood Essence. 16 34
Blood Essence alone does not prevent supernatural contamination. Refined Corpses release Corpse Venom after death, requiring Chen Mu and Liu Meng to evade or withstand the resulting yin energy. 24

Higher-Realm Manifestations

Astral Force — Qin Tieya condenses powerful Blood Essence into a visible protective barrier at the Meridian Opening realm. The barrier burns away ghostly black smoke on contact. 24
Martial True Blood — Beyond Great Completion of Meridian Opening, Innate One Qi can temper Martial True Blood. Completing the first of the Nine Revolutions of Blood Exchange forges an Innate body. 29
True Blood Taking Form — Liu Qingcang manifests his True Blood as a dragon-shaped phantom, using it to slaughter Rakshasa Gate disciples and destroy high-level Corpse Kings. 29