They are slow shape-shifters. Their natural appearance is the feral one, where they appear grotesque in nature and drink blood. An example of a feral lamia witch is Marcia Skelton.
The second state in the domestic where the witches are almost the opposite of of the feral state, domestic lamias are, in turn, extremely beautiful women and appear completely human, except for a line of green & yellow scales running down the length of her spine.
Lamia witches reproduce asexually, though hybrids can be produced, a cross between a lamia & a human.
Vaengir are a type of extremely dangerous feral lamia witches who possess the abiliy to fly.