The Chamber of Banishment, a vast and cavernous space, was situated in the deepest reaches of the Rancor Cave, not far from the Nightsister Stronghold. It was controlled by the Nightsister clan of Dathomir Witches on the planet Dathomir.
During the Imperial Era, Nightsisters imprisoned Axkva Min in this very chamber. Her crime? Draining the life force of her students to amplify her own power. Min, along with her most devoted followers, were then confined within enormous crystals. Nightsisters guarded this cave, and the Key of Exile was necessary to gain entry.
In the year 1 ABY, Axkva Min managed to discover a method to break free from her imprisonment. She reached out to her loyal followers, requesting their help in her escape. Rohak, the elder of the town of Aurilia, along with a group of spacers, soon became aware of the situation. Consequently, the spacers embarked on a journey across Dathomir, seeking four shards which they combined to create the Key of Exile. Later, the group of spacers ventured into the Chamber of Banishment, where they battled and defeated Min's adherents: Nandina and Gorvo, Lelli Hi, Kimaru and Suin Chalo. Ultimately, they engaged in a climactic confrontation with Axkva Min herself, resulting in her death.
The Chamber of Banishment made its initial appearance in Star Wars Galaxies, the 2003 video game that was a massively multiplayer online roleplaying game. Sony Online Entertainment developed the game, and LucasArts published it. The game was shut down on December 15, 2011. The Chamber of Banishment served as the setting for the "Axkva Min" Heroic Encounter, which was added to the game as part of the "Chapter 7" update, released on November 1, 2007.