DC Comics • Difficulty: Extreme (Level 9/10)
The Phantom Zone
Banishment Weapon: Phantom Zone Projector (Tachyon particle beam) (Discovered by Jor-El (Kryptonian Science Council))
Dimension Nature: Timeless, ghost-like pocket realm outside normal spacetime where matter becomes intangible and immortal, devoid of physical hunger or aging.
Escape Requirements: Requires a secondary Phantom Zone projector beam from outside, a Phantom Zone crystal key, or brute multiversal dimensional warping (Superboy-Prime reality punch).
Canonical Event: General Zod and Kryptonian criminals banished for high treason; Doomsday banished multiple times by Superman.
Marvel Comics • Difficulty: High (Level 8/10)
The Mirror Dimension
Banishment Weapon: Sling Ring gestures / Sorcerer Supreme spatial seals (Mystic Sorcery of Kamar-Taj / Master Sorcerers)
Dimension Nature: Parallel folded mirror reality identical to the real world where geometry can be bent, gravity inverted, and buildings folded without affecting real-world matter.
Escape Requirements: Sling Ring portal opening, higher-dimensional teleportation, or raw cosmic power sufficient to shatter dimensional glass (Thanos using the Power Stone).
Canonical Event: Doctor Strange repeatedly traps extradimensional threats and rogue sorcerers within folded fractal glass barriers.
Marvel Comics • Difficulty: Severe (Level 8.5/10)
The Darkforce Dimension
Banishment Weapon: Cloak’s shroud aperture / Blackout dark matter rifts (Primordial entropic negative energy sea)
Dimension Nature: Infinite ocean of cold, living darkness that consumes warmth, kinetic energy, and biological lifeforce, inducing profound despair in prisoners.
Escape Requirements: Pure divine light energy (Dagger’s Light Daggers), psionic illumination, or spatial teleportation.
Canonical Event: Cloak traps dozens of heavily armed criminals and supervillains inside his cape, subduing them with soul-draining terror.
Anime (Naruto) • Difficulty: Absolute Barrier (Level 9.5/10 for non-space-time users)
Kamui Space-Time Pocket
Banishment Weapon: Obito / Kakashi Mangekyo Sharingan eye contact (Mangekyo Sharingan Space-Time Dojutsu (Uchiha Clan))
Dimension Nature: Isolated void of floating geometric pillars accessible exclusively through the localized swirling vortex of Kamui eye techniques.
Escape Requirements: Possession of the matching Kamui eye, Flying Thunder God formula seals, or Otsutsuki dimensional portal technique.
Canonical Event: Obito used Kamui to store weapons, dodge all kinetic taijutsu, and isolate dangerous ninja during the Fourth Shinobi World War.