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Buffyverse Wiki

Queller demon was an extraterrestrial demon species that dwelled within certain meteors. They were summoned to "quell" (i.e., eliminate) the insane, particularly in Middle Ages Europe.[1]

In 2000, Ben summoned a Queller demon to Sunnydale to deal with the large number of mental patients Glory had created, believing that doing so would end their suffering. When the demon targeted Joyce Summers in her home, Buffy Summers fought it with Spike's assistance and killed it.[1]

Powers and abilities[]

Queller demons were able to stick on flat surfaces such as walls and ceilings. They usually crawled but were also capable of leaping with great agility. They had the ability to track down the insane, spit a gooey, alkaloid substance, and use it to choke their victims. Given their usual habitat, they could most likely survive in the vacuum of space unaided.[1]

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