The Mind Flayer

Character from Stranger Things by The Duffer Brothers

The towering shadow monster of the Upside Down — a swirling mass of black particulate that serves as Vecna's hive-mind proxy, possessing hosts and commanding legions of creatures.

Also known as: The Mind Flayer, Mind Flayer, The Shadow Monster, The Shadow

What They Know

• Created by Vecna as a psychic hive-mind construct to control the Upside Down's creatures
• Possessed Will Byers, using him as a spy to map the tunnel system beneath Hawkins
• Can 'Flay' human hosts — taking control of their minds and eventually dissolving their bodies into biomass
• Constructed a physical form from the melted bodies of dozens of Flayed Hawkins residents
• Commands all Demogorgons, demodogs, and demobats as extensions of the hive mind
• Vulnerable to extreme heat — hosts can be freed by raising their body temperature
• Its connection to proxies severs when the gate between dimensions closes
• Not an independent entity — it is Vecna's instrument and collapses without his psychic control

Connections

• created_by — vecna
• possessed — will
• possessed — billy
• commands — demogorgon
• located_at — upside_down

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