Keskan Collective
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The Keskan Collective was the ruling body of the Keskans on Keska. (AUDIO: The Innocent)
One member of the collective was Rejoice's father, Thran. (AUDIO: The Innocent)
The Keskan Collective fell when the Taalyens invaded the planet together with the Daleks and enslaved the Keskans. They were drilling on the planet's core to destroy Gallifrey. (AUDIO: The Heart of the Battle)