A sleek centipede coils around your wrist, chitinous segments gleaming reddish-brown, countless legs ticking like tiny hooks against skin. Mandibles click sharply, antennae whip the air, venom glands pulsing faintly beneath its armored length.
Capricious Fey spirits incarnated into bodies reminiscent of normal pests, vermin familiars serve spellcasters and especially vermin hags. While they are most often drawn to serve wicked masters, they also delight in playing the part of dutiful servants to corrupt spellcasters who aren’t evil.
Vermin familiars are gripped by deep-seated fears shared by the vermin forms they inhabit, and as such, are terrified of dogs and other canines.