Grotesque-looking purplish-black monsters that are actually a kind of electronic virus, as well as the Sanctifiers' extermination targets.
Entropics infect sectors and Agents indiscriminately. Infected Agents become carriers of the Entropy virus, and once they become comatose, their consciousness will sink to the Tertiary Level. If they do not awaken in time, their neural clouds will be devoured and taken over by the Entropy virus, turning them into Entropics.