Sanagi has a delicious character they've come up with that goes by The Baroness. A former feline magic user turned body-hopping lich that likes to enslave folks mentally while indulging herself senseless until the body she's in can no longer handle it, at which point she takes over one of her servants instead. Usually while they're serving rather than being ridden her victims act as both staff and as living storage containers for gigantic amounts of whatever substances she wants to indulge in.

This story is set after she'd migrated into the body of  Grendel