Mystere (Mary Medina) from Grimm Fairy Tales comics is a very rare case of a heroic necromancer and thus very interesting. She's also a fundamentally good person underneath her exotic black leather bone outfit and skull makeup. Also, the bare midriff is much appreciated.
Prompting guide: mystere, sleeveless black leather bone outfit, black pants, skull face paint
For more prompting ideas and guides, check out the example images! I always put effort into them.