Increasingly referred to simply as "Ghouls", the "undead" that plague us are not actually dead, nor are they technically alive. It's something in between, as far as I've observed. It appears that, as we call it, the Blackwater virus is able to read, store, and replicate genetic information. This particular strain of the virus self-replicates, and bonds with itself to reanimate the body. This stand alone reproductive ability is what keeps the cadaver from deteriorating or requiring sustenance. Since the body does not eat, I am unsure as to why these ghouls are predatory at all. Ghouls will hunt any living creature, I suspect they are able to detect fresh blood within their prey, but this theory requires further testing and subjects are.. hard to come by. However, ghouls do not just hunt us. They will attack other creatures as well, at night.

During the day, ghouls flee indoors. Another conundrum as exposure to sunlight doesn't actually seem to be particularly harmful. Ghouls display pack-like behavior, in which they will have an area marked as their "den", and will group there. There is no feud between packs, that I have observed, as members interchange frequently, but still seem to find acceptance in their new den. When a group becomes too large for their den, members will break off and form another pack, and find another den. At night, they also roam as a pack and utilize the other variants to fill special roles. More on that below.

Ghouls do not feel pain and they do not tire. They have good hearing, and seem to have decent sight capabilities in the night. They are able to traverse obstacles, but are unable to perform simple tasks; such as turning a doorknob. Unfortunately, ghouls are rather strong and will throw themselves headfirst against their obstacles, only the toughest of which can hold them off. Most ghouls can jump and climb as well. If their target is lost for a few minutes, they will lose interest and regroup. A warning for you Reader, ghouls will sprint to their fullest capabilities to catch you. They are also attracted to lights and will stay around them (during the night) for as long as they are on. It is unknown why they do this, but it seems this tactic could serve as a potential way to control their movements at night and document their positions.