In 2269, Koloth took the Devisor to the dilithium mine at Beta Thoridar. Koloth ordered his first officer, Korax, to assist the mine's engineering crew in repairing the damage caused by QuchHa' worker rioting. (ST novella: The Unhappy Ones) Devisor was fitted with an experimental weapon, a stasis projector. The Devisor attempted to use this weapon in 2270 to disable robot grain ships from bringing quintotriticale to Sherman's Planet.