: In the show's lore, Dr. Deaton explains that this specific strain was born from the blood of a Nogitsune , making it potent enough to weaken the spirit currently possessing Stiles.
: It contains vulpinic acid , which is toxic to mammals like wolves and foxes. [S3E19] Letharia Vulpina
: The Nogitsune is revealed to absorb and feed on pain, siphoning the suffering Scott absorbs from others throughout the day to grow stronger. : In the show's lore, Dr