City Technology

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This page contains Spoilers for Intervallo IV: Murder on the warp express.

“ From turning rudimentary cogs to overlaying an alternate identity via a mirror, the City has every level of technology. ”

—Dante

The City as shown in Limbus Company, as well as Lobotomy Corporation and Library of Ruina, has developed various types of innovative technology. While many these are tied to the Wings and the Singularities in their possession, others are of wider public use, being found all across the City. This article aims to be a collection of such inventions.

Body Modification Procedures

Procedures to modify one's organic body are extremely common in the City, being practiced by people of all walks of life, from wealthy Nest citizens, to laborers of the Backstreets. Through these procedures, one's entire body can be modified, except for the brain, which must be kept intact.

Prosthetic Substitution

Prosthetic use consists in the substitution of organic limbs and organs for mechanical ones. This can be partial, or full-body; in the latter case, the user's brain is removed from their body, and placed into the new, prosthetic one.

Full-body substitution is an irreversible procedure, and therefore usually ill-advised compared to other options. It is often chosen by people in need of money, who are then able to sell their old body and their organs for a good sum, or by people who do repetitive work, as a completely mechanical body is able to withstand the stress better than an organic one, and is not subject to physical cravings such as that of food and drink. Full-body prosthetics instead require the use of brain fluid and fuel to keep the user's brain and body in good condition, as well as occasional physical maintenance.

Prosthetics can be of varying quality and aesthetics. Low-quality prosthetic substitution comes at the cost of the loss of one's senses. This can be overcome through the purchase of desire simulation chips or medicines, or that of a more expensive prosthetic, as high-quality models come with sensory organs. As of current times, full-body prosthetics most commonly resemble mechanical human bodies with heads of various shapes, as those shown during Canto III, that had become widely popular in Calw in the years preceding the start of the main story.

In the past, possibly tracing back to the times of Lobotomy Corporation's founding, full-body prosthetics had a less human design, resembling square metal cases, such as the prosthetic utilized by the Tieqiu Boss, as well as the Sephirot of Lobotomy Corporation. This design is considered incredibly antiquated during the events of the story. During the Smoke War, bio-prosthetics (prosthetics made of organic, non-human material) such as Gregor's insectoid arm, were also in wide use, although they've fallen out of style in more recent years.

Augmentations

The City offers various options for strengthening one's body. Augmentation does not require the complete subtitution of a limb, instead being a procedure that enhances its natural abilities, making augmentation procedures highly recommended for those involved in Fixer business, to the point of being necessary. Augmentations can be applied to a wide range of body parts, including the heart, as is the case for the Cane Office Fixer Bada from Library of Ruina, the muscles, as is the case for The Red Gaze, whose legs are enhanced with artificial muscle fibers, to even one's nervous reflexes, as appears to be the case for Hindley. Augmentation does not necessarily reflect on improved combat performance, as the body must still be trained with combat techniques for optimal performance.

One's skin can be enhanced as well: tattoo augmentations, famously used by The Middle, used to be a patented technology tied to the Singularity of a fallen Wing, but following its collapse, they became fairly common within the City, being more affordable compared to other options. Tattoo augmentations can grant skin as hard as steel, as well as enhanced physical strength.

Concept Incinerator

A concept incinerator has the literal ability of erasing a concept, particularly an invention. When something is burned within a concept incinerator, the invention passes into oblivion, together with its memory and all traces of it left in the world, and the documentation and records of it become blurred. The effectiveness of a concept incinerator depends on the quality of the product, with a certain range of prices being available.

Gesellschaft

The Gesellschaft is a net of extra-dimensional connections utilized by Faust. This allows Faust to constantly access the knowledge gained by other versions of herself across the Mirror Worlds, and is the main ability Faust uses to fulfill her wish: to know all of the City.

Faust appears to preserve the knowledge she gains in the form of records, that are then shared with the Gesellschaft, and are accessible to Fausts of other Worlds. This is noticeably different from the other Sinners, who, when equipping an Identity, have their own memory effectively overwritten by it, and do not recall or retain any information or ability possessed by their alternate self.

Faust's connection to the Gesellschaft functions correctly as long as Faust is in a dimension that has already been analyzed by the Gesellschaft. The connection will be severed if she finds herself in an unidentified dimension. The Backdoor of Mephistopheles can restore this connection, as it appears to be a dimensional space of its own.

Memory Wipe Procedure

A memory wipe procedure can be used to remove specific memories. After the process, the subject will no longer be able to access the wiped memory, and will not be able to recall the wiping process either.

Mirror Technology

Variations of Mirror and Glass Technology have begun to spread across various corners of the City. For more information, see the Mirror article.