“Unlocking the Enigma: Jujutsu Kaisen Season 2 Unveils the Mystery of the Prison Realm”

Season 2 of Jujutsu Kaisen has introduced viewers to new concepts, theories, and plots, making it an exciting experience for fans. An introduction to one of these conceptual realities is the Prison Realm of Jujutsu Kaisen, a pocket dimension designed to trap Satoru Gojo and created as an elaborate scheme by Pseudo-Geto and his allies – Mahito, Choso, Jogo, and Hanami.

In this article, we will examine the Prison Realm as a cursed object and the process of sealing Gojo.

Jujutsu Kaisen Season 2 – The Prison Realm and its conceptual existence

Jujutsu Kaisen season 2. (Image credit goes to Studio MAPPA)

The Prison Realm is a cursed object of special quality that functions as a barrier with the ability to seal the target absolutely within an inescapable pocket dimension. It is said to be the last remnants of the Buddhist monk Genshin and is considered a taboo object.

This cursed object is a living barrier and can seal anyone or anything. When dormant, it takes the form of a small cube that can easily fit in the palm of an individual and is marked and secured by talismanic bindings.

Jujutsu Kaisen Season 2, what is the Prison Realm

Gojo Satoru is trapped in the Prison Realm JJK Season 2. (Image credit goes to Studio MAPPA)
Gojo Satoru is trapped in the Prison Realm JJK Season 2. (Image credit goes to Studio MAPPA)
  • This realm is activated when the incantation “open door” is spoken.
  • The cube opens to reveal a fleshy mass extending to the four corners, with the giant bleeding eye remaining in the center.
  • This eye is kept open with sutures to fixate the target. The conditions and activation steps of the Prison Realm are as follows:
  • This realm must be placed in front of the target and should be within a radius of four meters.
  • The target must be held long enough for the cursed object to activate.
  • It opens and expands, trapping the target. The doors close, and the sealing is complete.

How did the Prison Realm seal Satoru Gojo?

prison realm jjk season 2 yoji etadori

In Jujutsu Kaisen Season 2, the Prison Realm is the culmination of Pseudo-Geto’s plan. It was intended to seal Satoru Gojo, and he convinced Mahito, Jogo, Hanami, and Choso to pursue it.

While they were aware they couldn’t defeat Gojo, they also knew that if they could buy enough time for the Prison Realm to activate, they might be able to seal him and then continue their plan to make Sukuna their ally.

Jujutsu Kaisen Season 2, what is the Prison Realm

  • The sealing plan for Satoru Gojo took place on October 31st in Shibuya. Mahito, Hanami, Jogo, and Choso worked together to keep him engaged.
  • As the battle continued, the Prison Realm suddenly appeared behind Gojo, and he was met by a bleeding eye.
  • Just as he was about to escape, Pseudo-Geto revealed himself and froze Satoru Gojo. The realm gained enough time to get hold of Gojo and completely sealed him, taking its own time to process but ultimately sealing him.

What does the Prison Realm look like from the inside in Jujutsu Kaisen Season 2?

Who is Pseudo Geto jjk 1

The pocket dimension is a boundless space that traps individuals in a frightening and desolate environment with skeletons and an eerie atmosphere. It has also been revealed that this dimension has two doors, a front one for sealing and a back one for unsealing.

Jujutsu Kaisen Season 2, what is the Prison Realm

The unlocking process requires a cursed technique that cancels out other cursed techniques. This realm has no concept of time. Time does not flow here, and therefore, it does not pass.


The Prison Realm is a pocket dimension designed to seal any individual or entity. It is a necessary tool to trap Gojo as the sorcerer is extremely powerful and cannot be trapped or stopped otherwise. The entire Shibuya Arc primarily revolves around this plan and the use of this cursed tool to imprison Satoru Gojo.


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