: Deaton travels to Japan to retrieve it from a Yakuza garden, using it to create a serum that temporarily suppresses the "Void" entity within Stiles. 2. Primary Plot Threads
: 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. [S3E19] Letharia Vulpina
: The Nogitsune uses Stiles’ appearance to deceive the pack, forcing them to question who they can trust. : Deaton travels to Japan to retrieve it
: Scott's role as a True Alpha is tested as he physically and emotionally takes on the pain of those around him, unaware he is fueling his enemy. Episode Summary Table Director Russell Mulcahy Writer Jeff Davis Main Antagonist The Nogitsune (Void Stiles) Crucial Item Letharia Vulpina serum Major Reveal Malia is a Hale Letharia Vulpina | Teen Wolf Wiki | Fandom Deaton explains that this specific strain was born