The Nosoi are the gods or spirits of diseases in the Ancient Greek religion.
Appearance: Unknown, but similar spirits are portrayed as winged human-like beings.
Lore: The Nosoi are responsible for all of the diseases that plague humanity. They were contained in the jar that was given to Pandora for safekeeping. When Pandora opened the jar, the Nosoi were set free and have caused misery and suffering ever since.
Powers: The Nosoi have the power to cause great misery, suffering, pain and death to humanity through inflicting disease.
Defense Against Nosoi: Modern medicine and scientific break-throughs remain the best hope of defeating the Nosoi.