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Spoiler Warning!
This article or section reveals details from the fifth season. |
A wall of organic matter served as the biological and metaphysical boundary of the Upside Down. It functions as the containment shell for the Hawkins "snapshot," separating the stabilized wormhole environment from the raw vacuum of space.[1]
History[]
Background[]
The wall is composed of dense, interconnected organic matter, including Vines, pulsing organ-like growths, and calcified remains. Dustin Henderson theorized that the wall is a perfect spherical perimeter centered exactly on the Upside Down's version of Hawkins National Laboratory. It acts as a pressure vessel, holding the atmosphere and Exotic matter in place against the vacuum of inter-dimensional space.
1987[]
During the events of The Vanishing of Holly Wheeler, Eleven and Jim Hopper tracked a Demogorgon that had abducted Holly Wheeler to the edge of the known Upside Down. Upon reaching the wall, they discovered its regenerative properties; Hopper’s physical attempts to breach it and Eleven's telekinetic blasts were met with near-instantaneous cellular repair.
Simultaneously, Nancy, Steve, Jonathan, and Dustin pursued the same creature from the opposite side of town. After crashing their vehicle into the boundary, Dustin used trigonometry to confirm that the wall was a closed loop. This discovery led to his "Bridge Theory": the Upside Down is not a dimension, but a stabilized wormhole "tube" connecting Earth to The Abyss. The wall is the physical manifestation of the wormhole's event horizon.[2]
After the defeat of Vecna and the Mind Flayer in The Abyss, Hopper and Murray activate a timed bomb to destroy the exotic matter atop the Upside Down's copy of Hawkins National Laboratory. When the exotic matter is destroyed, a shockwave shatters the wall and the entire Upside Down collapses.
Physical characteristics[]
- Regeneration: The wall utilizes the Mind Flayer's hive-mind energy to repair any structural damage within seconds.
- Atmospheric Seal: It maintains the toxic, spore-filled atmosphere of the Upside Down, preventing it from leaking into the "nothingness" beyond.
- Gravitational Counterweight: The exotic matter at the center of the sphere (Hawkins Lab) exerts a pull that keeps the Wall from collapsing.
Gallery[]
References
| Locations | |
|---|---|
| Entities | |
| The Flayed | |
| Visitors | |
| Miscellaneous | |


