Fort Nigma is the nickname given to the upgraded detention room installed by Principal General Barrage following his reinstatement as Principal. Among its features are:

  • An air gun designed to silence talking students.
  • A laser grid cutting off access to the vents.
  • A password protected door whose code is changed regularly.
  • A signal jamming device.
    • Biffy Goldstein was later able to work out a system to bypass the jamming device.

In spite of Barrage's boasts that the detention room is now impregnable Lee has been able to break out on a few occasions. However, every time he has done so, he was released by a friend on the outside.

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