Doubtworm
The Doubtworm is a type of Plague Zombie used by Nurgle.
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Overview
The plague spreads through the mind rather than by germs, meaning that infection spreads at a very fast rate. The plague appears at first as a zombie plague with survivors. These "survivors" may appear to be immune, with any Imperial Guard protectors quickly getting infected and the survivors being torn apart rather than infected. The zombies will also ignore Space Marines; the plague exploits a grain of its victim's doubt in the Emperor - hence it knows better than to look for this doubt in the Adeptus Astartes, who carry a fraction of the Emperor Himself in their geneseed.[1a] The Doubtworm's victims later turn into humans again, appearing to resist the other zombies, and even grow in numbers.[1b] In the second stage of infection, they mutate into a worm, noted to have many eye-mouths and one giant eye.[1c]
History
The Black Dragons Space Marine Chapter encountered the Doubtworm on Antagonis. After retreating to the nearby keep to hold with a handful of survivors, Thunderhawk recon saw growing pockets of resistance. Canoness Setheno had been given a Zombie by the Black Dragons at her request, and had determined the true origin of the plague.[1b] At that point, the survivors outside the keep had begun to mutate into the worm, which grew to enormous size. Sergeant Volos proceeded to incapacitate the worm by attacking its main eye, allowing the Thunderhawks to land and extract the Space Marines so Exterminatus could be performed on the planet.[1c]
