Mandatory Changes
☑ Sharp fangs
☑ Red eyes that glow when using magic
☑ Pointed ears
☑ Dark claws instead of fingernails and toenails
☑ Two to four long, sharp horns on the head (can be any shape and size)
☑ Large, bat-like wings capable of flight
☑ A long, whip like tail
☑ Dark magic; the ability to render a human immobile
☑ Dark magic; the ability to create and control fire
☑ Dark magic; the ability to possess another living being for up to an hour (once per day)
☑ Dark magic; the ability to remove a human soul
☑ Immunity to fire
☑ A weakness to salt
☑ A weakness to holy magic
☑ The need to feed on human souls

Optional Changes
☐ Scales anywhere on the body
☑ A forked tongue
☐ Hooves instead of feet
☐ A spade or barbs at the end of the tail
☑ Prehensile tail (strength of about one finger)
☑ Black or purple lips and sclera
☐ Spikes anywhere on the body
☑ The ability to teleport short distances by making a circle of fire
☑ A more wicked nature
☑ Skin color change (grey and black)
☑ Dark magic; the ability to give an illusory temporary power boost (spiking adrenaline and removing fear)
☐ Dark magic; the ability to use soulless bodies as marionettes (one human at a time, last consumed)
☑ Dark magic; the ability to cause one's emotions to go out of control (mostly towards darker thoughts)
☑ Dark magic; the ability to make a Hand of Glory
☑ The ability to be summoned (offers no actual benefits, is mostly just annoying/inconvenient for everyone involved)