Zombie

Zombies (ゾンビ), also known as the Living Dead (リビングデッド), are humanoid beings that possess the notable feature of not only possessing no pulse, but are effectively immortal.

Zombies are really less a liminal race than a condition, as they are in actuality deceased humans brought back to life thanks to a special infectious disease, and as such, are totally dead in the biological sense but still possess enough brain activity to continue functioning as though they were biologically alive.

History
Exactly how or when the Zombie Virus originated is not known, but it can be assumed that it existed long before 1994, as this is probably the year in which Zombina was transformed into a Zombie (can be seen on her dogs tags) and the preservation technology to preserve the Zombie body was already known at that time. Before the preservation technology existed, the process of decomposition would cause their bodies to decay, creating the Early Zombies, whose brains are no longer completely intact due to incomplete preservation. It can be assumed that the existence of the Early Zombies has drastically influenced the representation of the Zombie as a mindless undead.

Mummies were created 5000 years ago in ancient Egypt. They are therefore probably the oldest Zombie subspecies.

When the Cultural Exchange Between Species Bill was introduced three years before the events of Volume 1, the Zombies and their subspecies were also included, like the most Liminal species. The first known new Zombie to create after this time is Yuuhi Hajime.

Physiological Attributes

 * Due to being biologically dead, a Zombie's body is vulnerable to the same manner of decay a normal corpse would exhibit, and unless prosthetic intervention is taken, their bodies will presumably rot past the point of functioning.
 * Said prosthetic intervention can be in the form of being doused in preservative chemicals or receiving artificial organs.
 * Some Zombies may also graft replacement parts to themselves. As they do not heal from wounds, the practice of "limb replacement" also serves as a manner of repair. Whether there is a restriction on what they may graft onto themselves or if they are indeed able to graft any sort of thing anywhere on their body is unknown.
 * The brain is assumed to be responsible for a Zombie's body functioning, and physical connection to it in some way is necessary for the Zombie to become animate. While at least moderate damage to the brain has not shown to have any negative effects on the Zombie in question, whether a body would continue without its brain is currently unknown.
 * Due to them being dead, Zombies have high pain tolerances and non-weapon-based damage thresholds, though this doesn't completely dampen their ability to feel pain or prevent them from feeling pleasure since a condition that prevented the feeling of pain would cause the nerves to be unable to send pleasure.
 * A zombie's blood is composed of a toxic batch of preservation fluids made to be blood-like.

Early Zombies
Early Zombies (アーリーゾンビ, Ārī Zonbi) are zombies created before the establishment of preservation technology. To prevent further decay, they spend most of their time in refrigerated rooms. They are only able to go outside during cold winter periods. Because of their incomplete preservation, their brains are not entirely intact, making them very easygoing with energy levels of a person who has just woken up.

Mummies
Mummies (ミイラ, Mīra) are a zombie subspecies from dry desert areas. Their arid environment keeps them safe from decay, and even without preservative measures, their bodies remain intact. However, their arid environment has also robbed their skin of its moisture, requiring them to take long baths to replenish their fluids. They also supplement this by sucking the life force out of young men to preserve their beauty, but this tragically functions only as a placebo.

Since many Mummies were ancient royalty or nobility in life, they often have difficult personalities. The bandages wrapped around them appears to be the only things they wear as clothes. They also have tanned skin and black hair.

Sekmeti and Mokunaii the 11th are mummies.

Jiang Shi
Jiang Shi (キョンシー, Kyonshī, original Chinese: 殭屍 [Traditional]/ 僵尸 [Simplified], lit. "Stiff Corpse" in Chinese), known also as "Chinese Hopping Vampires", are a zombie subspecies found primarily in Asian countries, such as China and Taiwan.

Unlike standard zombies, hopping vampires are severely affected by the symptoms of rigor mortis, making their joints, especially their elbows and knees, particularly stiff. Because of this, they must practice tai chi every morning to stretch. However, their joints always stiffen to some degree while they sleep, forcing them to hop around with their elbows and knees locked straight out.

Shiishii is a Jiang Shi.

Frankenstein's Monster
A Frankenstein's Monster is a subspecies of Zombie that has been "created" or "born" through the combination of compatible organic and inorganic parts such as bolts to form a sentient, functional being.

While similar in nature to, and sharing many attributes with the Zombie species, Frankenstein's Monsters differ in how they are created; while Zombies were once living beings, Frankenstein's Monsters were created from "birth" as true undead beings.

In the Manga

 * Zombina (Converted; originally human)
 * Yuuhi Hajime (Converted; originally human)
 * Shiishii (Jiang Shi)
 * Sekmeti (Mummy)

In the Game

 * Fran (Frankenstein's Monster)
 * Kyou (Jiang Shi)
 * Mokunaii the 11th (Mummy)
 * Asia (Zombie)

Trivia

 * So far, Zombies are the only Liminals in the series that are stated to have been humans in a previous life, with the possible excetion of ghosts. This is also why Zombies are barely considered a Liminal species, as Zombina explains to Kimihito in Chapter 39.
 * Interestingly, even though Zombies are undead, their digestion still seems to function like that of a living being, as Zombina is shown eating various foods on several occasions in the manga series.
 * Mummies being former royals and using the life force of their victims for using it for maintaining cosmetic appeal may be in reference to Elizabeth Báthory, who was infamous for bathing in the blood of her victims in an effort to maintain her youth.
 * In view of this ability, however, it is strange that Mummies are not considered dangerous and that they are allowed to participate in the Inter-species exchange program. It is possible that this ability is not canon for the manga series as Sekmeti doesn't seem to have it.
 * Although Chapter 39 confirms that just like Zombies, Jiang Shi were orginally humans, the exact method of their transformation is unknown.
 * As seen in Chapter 49, it seems common among mummies for females to be only partially bandaged, exposing their faces, hands, and belly, while male mummies are bandaged all over their bodies.

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