NOTE: this species is inspired by "The Last of Us", "Left 4 dead"(a little bit) and "28 days later" zombies, and also black worm AU by OceanWolf(their previous name)

"The corrupted" are those who got infected by the black sludge or another infected that transmit the sludge disease that the sludge will enter their host's brain, once they took over their brain, the host will lose control and will attack any non infected being without hesitation(when they see non infected as victims). But, in rare cases, they will have some humanity in them and sometimes protect their loved ones. Obviously the corrupted can't talk, but some of them think to say what they want(not out loud though :') )

it doesn't just affect humans, it also affects animals and non humans

Their appearance is the same as a human but the only difference is the eyes and the black goo in some parts of their body.

Their appearance in eyes are that their sclera is black and white pupils
Their pupils change colours depending on their emotions

White: Normal
Blue: sad
Red: angry/ready to attack
Pink: excited
Green: sick
Yellow: happy
Black: tired
Purple: in love/already love their loved ones

NOTE: if the corrupted has mixed feelings, they will have different eye colours on each eye
E.g. If they are both sick and sad one side will be green and the other will be blue

Their host will always cry, vomit, bleed etc. black
When in anger form, the infected will grow claws and attack the non infected with it
their host will become a blob in their blob form, just for sliding in thin places such as corners, thin walls etc.

The corrupted will multiply by biting either the non infected's arms, legs, neck etc.

The time limit to the infection until they will become infected depends on where the non infected were bitten

Head-neck: 5 seconds till they become infected
Torso and arms: 5-10 minutes till being infected
Legs and other parts: 15 minutes(if the bite is serious)- two days(if the bite isn't serious)
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That's it! I will edit this if I get more information about them
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I edited it >:)

Not sure if this counts as a species though-