Stersissk was a warrior of the Sharptooth tribe. In 1374 the fellow lizardfolk tribe of the Shadowscale allied with the Church of Shar and began to act strangely. They eventually started a war with the Sharptooth. In fighting Steersissk was captured as many others to be converted to Shar thank to a ritual in the Plane of Shadow. Stersissk escaped just entered in the Plane of Shadows but was recaptured by a sharran patrol soon after. However was at this time that an adventurers party assaulted the keep where he was prisoner.
If free Steersissk fought alongside the adventurers against his Sharran captors.