Commander silk is a snake human hybrid. She is flexible and strong with snake reflexes. She has three types of venom pouches.an acid venom,a tar like venom and a deadly venom that can paralyze it's victims. She used to work in the zoo before the mutt bomb transformed her and others at the zoo into animal hybrids and turned the animals into highly intelligent beings.
A tradition developed by the ancient Olmecs, the Yuan-Ti cultist is an Ardent who uses his devotion to the cause of driving back the psiweavers as a catalyst for psionic rituals to cause humans to evolve into powerful yuan-ti.