Here we see Edmund taking on a new familiar (or Oathsworn) and guiding him through the changes that Ed's vampiric blood are wreaking on his body with a bit of reinforcing and calming hypnosis. It's ok, I'm sure he'll love his new form once he gets used to it.

If you enjoy the art, there is a companion story over here! https://www.sofurry.com/view/2042072

Our willing victim belong to ThroneZwei

Art done by Otherwords