The Sek't Tholis was a Tholian starship, designated a cruiser, in service to the Tholian Assembly in the mid-23rd century.

The Sek't Tholis was the lead ship of six that attacked the Federation starship USS Bombay in orbit of Ravanar IV in the year 2265. It succumbed to a barrage of retaliatory fire from the Bombay and was destroyed. (VAN novel: Harbinger)

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