도깨비 : Having existed as a Dwellers of Purgatory for eras, she summons a cold flame to incinerate the defiled.
Originally formless like mist, they began to watch the humans entering Purgatory with curious eyes and imitate them, finally manifesting into physical forms.
Thus, while benevolent toward humans, they also possess a side that does not hesitate to play mischievous pranks.