Shinsha

Shinsha, also known as Cinnabar, is the only gem who goes on night patrol. Their body produces harmful mercury, leaving them isolated and insecure. Rutile credits them with considerable talent and combat ability. Cinnabar dislikes fighting and being seen, while their silver poison gathers faint light that helps keep them alert at night.

Phosphophyllite promises to find Cinnabar a more suitable and enjoyable role than night patrol. Although skeptical, Cinnabar continues speaking with Phos and quietly holds some hope that the promise will be fulfilled.