A blood moon is also the name of the moon where animals are slaughtered [November I think] it's similar to saying you were born on the seed moon which explains why you like sesame seeds and gardening.
Second witchcraft isn't associated with the devil. [Satanism it depends on the branch I think] but the moon does not determine if you're evil, evil [like a sociopath] is a chemical imbalance which is before birth.
Finally, real magick is energy, early witches were more scientists or doctors [understanding plants and various agricultural tricks] what you see in movies is based on hearsay, myths, and superstition. There are no physical werewolves, you are not one.