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Leech

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Leech
Leech
Hiru (ヒル?)
Biological information
Based:Leech
Height:20 centimetres (7.9 in)
Development information
Date of
creation:
1978
Created via:Primary Progenitor or secondary t-viral infection
Purpose:Experimental
Status:Destroyed
Gameplay information
Last edit: 24 days ago. (Purge)


Leeches refer to both ordinary leeches, which were injected with the Progenitor virus, to create the Tyrant virus from their DNA, and mutated leeches infected with the t-Virus during the Raccoon City Destruction Incident.

Progenitor leechesEdit

These leeches were created in 1978 by Professor James Marcus by combining the Progenitor virus with Leech DNA to create the t-Virus, and then injecting the t-Virus into their bodies. The virus causes the Leech to grow much larger sizes than that of an ordinary leech, and to increase the power of its teeth to the point where it can bite through glass. The most unique characteristic of Marcus' Leeches was their ability to learn from their experiences and work together to overcome them, eventually functioning effectively as a single creature. It was at this point that they gained the ability to shape themselves into a roughly humanoid form, seemingly out of a desire to imitate their beloved creator. These creatures, which retain their shape due to a mucous fluid that coats the external Leeches in order to provide rigidity, are known as 'Mimicry Marcus'.

Mimicry MarcusEdit

Several times in Resident Evil Zero, leech swarms will bond together to form a Mimicry Marcus. They have the basic form of James Marcus, but have more 'floppy' movements than basic zombies due to the lack of bone structure. A Mimicry Marcus is also fairly elastic, being able to stretch and elongate its limbs. It can attack by biting, whipping with its arms, or wrapping its arms around the character and squeezing. When destroyed, a Mimicry Marcus will inflate and walk towards the player until it explodes, releasing leeches that will attack the player. Mimicry Marcus is easily damaged by fire, either Molotov Cocktails or Flame Rounds from the Grenade Launcher. If a Mimicry Marcus is burned to death, it will not spawn leeches upon dying.

Leech infectionEdit

On July 24, 1998, Marcus used a swarm of Leeches to attack the Ecliptic Express, killing and/or infecting everybody on the train. The train was discovered a short while later by Billy Coen and Rebecca Chambers, by which point many of the passengers had already become zombies.

As shown by diaries found in the Umbrella Research Center, even merely touching a Leech can cause infection. In contrast to normal zombie bites, it takes mere minutes for a human infected by a Leech to become a Zombie. However, if a queen infects a host, 'she' enters inside the hosts body. The host will eventually be able to transform into a 'leech-like' form; however, the time for a queen to fully integrate into a body took Marcus nearly 10 years.

t-Virus leechesEdit

During the outbreak that claimed Raccoon City, the doctors of the Raccoon General Hospital observed that the leeches of the sewer systems had been infected with the t-Virus. These leeches also displayed some hive-mind characteristics similar to the Progenitor leeches' "Mimicry Marcus", but rather than bonding together to create a human form, they would instead swarm a host, drain them of their blood and imbue them with such abilities. This new abomination was somewhat intelligent, crawling through ventilation ducts to surprise its prey. It could be brought down by intense heat, though the leeches would not fall for the same trick twice.

These leeches, like Marcus', served a "queen". This queen reacted differently to the t-Virus and its size increased, making it 3–5 meters long. It was eventually killed by a group of survivors on their way out of the Raccoon General Hospital via a sewer exit.

Further notesEdit

Interestingly enough, an Umbrella Research Center trainee became infected with the t-virus by simply touching a single leech, where as when Rebecca Chambers was attacked and covered by a near swarm of leeches during the aftermath of the Ecliptic Express outbreak, she somehow was not exposed to the virus.

GalleryEdit

SourcesEdit

notes
references
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