Ktath'atn was a dark forest planet in the Outer Rim Territories that was ruled by the Queen of Ktath'atn, whose hive fed on the human inhabitants. It was the location of the Citadel of Ktath'atn, which stood over a village. Doctor Chelli Aphra traveled to Ktath'atn with Luke Skywalker to visit the queen, hoping that she could activate the Rur crystal.
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