Sickly Tremor was a slave caravel which Zephyrus had equipment outfitters on Ovise III modify with durasteel cages strong enough to hold twelve banthas each. Zephyrus claimed these cages were to hold remarkably strong slaves. The caravel never returned from its slave run, and one theory held it crashed on Endor, its slave passengers becoming ancestors of the moon's Phlog and Gorax populations.