In the mirror universe, the TA Tanzene was a Tholian Amethyst-class battle cruiser in service in 2393. (ST video game: Shattered Universe)


On stardate 9622.7, the Tholians intcepted the ISS Enterprise and caught it in a Tholian web at Delta Neezott III. The ISS Excelsior arrived to free the Enterprise, and engaged the Tholian Shard-class fighters ensnaring it. The Assembly sent two capital ships as reinforcements, the Tanzene and the TA Loskene. All Tholian vessels were destroyed by the two Imperial Starfleet cruisers. (ST video game: Shattered Universe mission: "The Unwound Skein")

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