This page details H'atoria (planet) in the mirror universe; for the H'atoria (planet) in the primary universe see H'atoria (planet).

H'atoria was a Klingon world.

In the late 2240s and early 2250s, H'atoria served as the main research base for the Klingons as they forced the Penemu to develop a weapon capable of destroying class M atmospheres. (Mirror Universe short story: "Ill Winds")

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