Fr'nir was a military leader who was known to history as having lost a great confrontation at Gast. Fr'nir had suffered an honest defeat that could not have been changed - his soldiers had died slowly from kurite poisoning in a time before anyone who was at Gast was aware of exactly what kurite was.

James T. Kirk considered Fr'nir's case when contemplating the nature of the "no-win scenario" while attending Starfleet Academy Command School. Much like Kirk's failures in the Kobayashi Maru scenario, Fr'nir's losses would have been difficult, if not impossible, to avoid. (TOS novel: The Kobayashi Maru)

Fr'nir's species was never specified.
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