Arch Imps are to imps as lilim are to succubi - mutant offspring so powerful that they constitute a qualitatively different species altogether, with the lighter hair and tails that seem to denote magical strength among the . However, arch imps in many cases are oblivious to their own power, and unconsciously scatter bewitching charms like the alice. Any sorcerer foolhardy enough to try and contract an arch imp as his familiar is likely to see the pact reversed with her as the master - which makes dealing with them much like dealing with demons.