fktifzobr
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My suggestion regarding the ghoul (small one) is to add red tattoos on its body.
For the large one, some kind of membranes on the wings and certain tattoos or markings on the body would be suitable. Change the glow of both to red and, perhaps, add accessories like chains.
There are no membranes and there won't be; I can't do that. Chains are also not allowed - they wouldn't hang properly, but accessories are a given, just that there aren't any specific accessories.