S'thkra -- pronounced "s-TEE-krah" -- is Nemek's commanding officer, "sister in arms", and sex partner. No, she's not his blood sister; each dragoken soldier forms a strong bond with a comrade, and they call themselves "brothers in arms".

She is one of the very few female dragoken that are in perpetual heat, noted by the constant reddish tones at the bottom of her neck and groin. She trained as a low-level cleric of the Mother Goddess, which enabled her to keep her pheromones from arousing her male comrades. The effort, however, always put her in a very bad mood, for which she earned the nickname "Green Bitch" among other Lancers. Her rut is why she and Nemek have sex often, but their intense sex marathons occur only when the strong pheromones at her peak intensified his draconian lust.