Neuronist Painkill is an NPC of the Great Tomb of Nazarick, serving as the Special Information Gatherer and Torturer, and is counted as one of the “Five Worst of Nazarick” under the title “Worst in Official Capacity.”
Name: Neuronist Painkill
Affiliation: Great Tomb of Nazarick
Position/Role: Special Information Gatherer (also known as Torturer)
Residence/Workplace: Fifth Floor – Frozen Prison, underground chamber called the “Room of Truth” (Pain is not to tell)
Alignment: Evil (Karma Value: -425)
Race Levels: Brain Eater – 7 levels
Class Levels: Bishop – 3 levels; Doctor – 10 levels; God Hand – 3 levels
Total Level: 23 (Race 7 + Class 16)
Epithet: One of the Five Worst of Nazarick – “Worst in Official Capacity”
Creator: A guild member of Ainz Ooal Gown (name not specified)
Voice Actor (Adaptation): Tesshō Genda
Neuronist Painkill is one of the NPCs belonging to the Great Tomb of Nazarick.
Their official duty is “Special Information Gatherer,” which in practice means they serve as a professional torturer.
They are stationed in the “Room of Truth” deep beneath the Fifth Floor’s Frozen Prison, a place designed for interrogation and torture.
There, Neuronist extracts information from prisoners, compiles the gathered data, and reports it to higher authorities.
Within Nazarick, Neuronist is feared as one of the “Five Worst of Nazarick,” specifically holding the title of “Worst in Official Capacity” due to the nature of their work.
For Neuronist, torture is not only a job but also a hobby, and they genuinely enjoy their work.
Their duties are not limited to interrogation alone.
Neuronist also performs torture as punishment or simply to torment those who have become useless or displeased Nazarick.
In addition to Neuronist themselves, the Room of Truth houses several subordinate beings.
Among them are about four “Devils of Torture” who assist in the torture process and maintain the prisoners’ lives.
These Devils of Torture frequently cast healing magic on the victims.
Their role is to keep the prisoners alive and prevent them from dying easily, so the suffering can be prolonged.
Neuronist’s race, Brain Eater, does not possess clear sexual distinctions such as male or female.
Despite this, Neuronist speaks with a low, husky voice that sounds somewhat closer to male, yet uses sugary, feminine speech and refers to themselves as an “older sister.”
They lack a biological gender and are essentially neutral, but their self-image is very much “feminine” and “girlish.”
Their personality is surprisingly “maiden-like,” with a strong sense of vanity and self-admiration.
Neuronist ends sentences with a distinctive nasal “n” sound, creating lines like “I wonder, n” or “That’s right, n,” giving them a slightly sticky, unsettling tone.
Combined with their voice and manner of speaking, the overall impression is that of an eerie, cross-dressing, drag-queen-like figure.
Despite their grotesque appearance, Neuronist is completely convinced that they are more beautiful than Shalltear Bloodfallen or Albedo.
They even goes so far as to call Albedo “ugly,” demonstrating a tremendous, almost delusional self-confidence.
Neuronist swears absolute loyalty to Ainz Ooal Gown.
On top of that, they harbor romantic and sexual feelings for him, regarding Shalltear and Albedo as rivals in love.
They cannot understand why Ainz has never summoned them to his bedchamber.
From Neuronist’s point of view, this is a mysterious and somewhat disappointing oversight.
Overall, Neuronist’s personality is a strange mix of genuine devotion, sadistic joy, and girlish romantic fantasies.
The combination of these traits with their horrific profession makes them one of the most disturbing presences in Nazarick.
Neuronist’s appearance is repeatedly described as “the worst,” even by members of Nazarick.
They have an overweight, swollen white body reminiscent of a drowned corpse, giving a bloated, waterlogged impression.
Their head resembles that of an octopus and possesses six tentacles.
Each tentacle acts like a writhing extension of their face, emphasizing their inhuman nature.
Neuronist’s body is only minimally covered with leather straps and bondage-like gear.
The overall look has been compared to “a ham tied up with string,” evoking an image that is both comical and deeply unsettling.
Their skin is pale, sickly, and corpse-like, accentuating the impression of a bloated cadaver.
On their four-fingered hands, Neuronist wears long nails decorated with bizarre manicure art.
They also uses cosmetics to create a blush effect on their cheeks.
Their cheeks are heavily reddened, as if they had applied an excessive amount of foundation to imitate a cute blush.
The visual combination—octopus head with tentacles, bloated corpse body, bondage straps, and garish makeup—results in overwhelming visual impact.
Even among Nazarick’s many monsters and undead, Neuronist stands out as particularly grotesque.
Neuronist occupies a specific, well-defined niche within Nazarick’s internal structure.
As Special Information Gatherer, they handle prisoners, traitors, and anyone captured for interrogation.
The Room of Truth is specially outfitted for their work.
It combines physical restraints, magical tools, and Neuronist’s own methods to maximize psychological and physical torment.
When Nazarick captures enemies, spies, or suspicious individuals, they may be sent to Neuronist.
There, Neuronist’s job is to extract every last piece of information, no matter how small.
Neuronist meticulously organizes and reports the obtained intelligence to superiors.
They take pride in both the efficiency of their methods and the thoroughness of their records.
However, victims are not always interrogated for information alone.
Sometimes Neuronist is allowed to torment them purely for punishment or as a cruel “plaything” once information is no longer needed.
In all these cases, Neuronist maintains a disturbing level of cheerfulness about their work.
Their enjoyment of cruelty is not hidden; it is openly integrated into their professional role.
One of Neuronist’s most notorious torture techniques is inspired by their creator’s suffering from urinary stones.
The creator apparently experienced intense pain from this condition and wanted it reimagined as an even more horrifying form of torment.
Neuronist devised a method to reproduce the agony of urinary stones in a more advanced, sadistic form.
To accomplish this, they use a small needle whose tip resembles a spiked club.
The exact method of using this needle is deliberately left to the imagination.
However, given the reference to urinary stones and the described shape, it strongly implies insertion into extremely sensitive areas in a way no one wishes to picture.
Neuronist likely employs this needle slowly and carefully to prolong the victim’s pain.
Combined with healing magic from the Devils of Torture, the victim cannot escape suffering through death.
This is just one example of Neuronist’s creativity.
The implication is that many more equally horrifying methods exist, tailored to each target’s biology and psychology.
Neuronist’s race, Brain Eater, grants them terrifying biological abilities.
One such ability involves extending tentacle-like organs from their mouth.
These tentacles can pierce directly into the target’s brain.
They function similarly to an ovipositor, allowing Neuronist to lay eggs inside the victim’s cranial cavity.
Once the eggs are deposited, they hatch into worm-like offspring.
These worm-like children begin to consume the host from within, focusing on the brain and surrounding tissue.
While doing so, the larvae secrete a special solution.
This solution both dissolves tissue and alters the host’s state, turning them into something akin to a zombie.
The host remains in a semi-animated, undead-like condition while being eaten from the inside.
This allows the process to continue for a long time, maximizing suffering and horror.
Eventually, the offspring grow until they fill the entire skull.
When they reach this size, the solution they excrete dissolves the skull bones, and the grown offspring burst out of the host’s head.
In addition to these racial abilities, Neuronist’s class levels as Bishop, Doctor, and God Hand imply expertise with both healing and harming flesh.
They likely use medical knowledge in a perverted manner, knowing exactly how to damage a body without allowing it to die too quickly.
Their evil alignment and extremely low karma value reflect the nature of these acts.
Neuronist’s abilities are precisely suited to long-term torture, parasitic control, and grotesque medical experimentation.
Neuronist directs their absolute loyalty and devotion toward Ainz Ooal Gown.
Beyond mere loyalty, they experience romantic attraction to Ainz and fantasize about being chosen as his partner.
Because of this, they view Albedo and Shalltear Bloodfallen as romantic rivals.
In Neuronist’s mind, these women are unfairly favored in terms of beauty and attention.
Neuronist even insults Albedo by calling her “ugly,” despite Albedo being canonically beautiful.
This highlights Neuronist’s distorted self-image and strong competitiveness regarding appearance.
Despite their self-confidence, Ainz has never invited Neuronist to his bedchamber.
Neuronist is genuinely puzzled by this, unable to see their own grotesqueness as the reason.
Within the hierarchy of Nazarick, Neuronist is nonetheless a loyal subordinate.
They respect the chain of command and diligently submit reports, making them useful despite their unsettling personality.
The Devils of Torture subordinate to Neuronist work closely with them and obey their orders.
Together, they form a small, frightening department dedicated to extracting and managing information through terror.
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