Mapping the Colonies: Official Visual Breakdown of Jujutsu Kaisen's Culling Game Barriers
Kenjaku's grand design relies on geographical segmentation. Following the catastrophic devastation of Shibuya, the ancient sorcerer activated the Idle Transfiguration technique he stole from Mahito. That single action initiated the sorcerer awakening for thousands of dormant vessels and modern individuals with dormant cursed brains. To harness this sudden explosion of occult power, Kenjaku anchored ten massive circular barrier techniques across Honshu, stretching from Iwate in the north down to Kagoshima in the south.
These barriers do not simply keep people inside; they actively bend local physics. Entering a colony is completely voluntary, but leaving is virtually impossible under standard parameters. Once an individual steps through the semi-permeable boundary veil, the barrier's innate code registers them as an active participant. To disorient newcomers, the internal spatial logic separates groups upon entry. When Yuji Itadori and Megumi Fushiguro leap through the threshold of Tokyo Colony No. 1 simultaneously, the barrier’s distribution formula splits their coordinates, depositing them hundreds of meters apart above hostile territory. This automated disruption forces instant tactical adaptation and prevents coordinated defensive entries.
The geographical line running between these colonies avoids Hokkaido entirely. Kenjaku deliberately omitted the northern island because its sacred spiritual borders and distinct indigenous barriers would interfere with Tengen's pre-existing barrier foundation. By concentrating the colonies along Japan's central spiritual spine, Kenjaku formed a colossal, connected circuit. The kinetic violence inside each zone discharges cursed energy, which flows directly into the master barrier system to prepare humanity for a collective metaphysical transformation.