Witches are in tuned with nature thus allowing them to draw power from the earth beneath them, but drawing power from the earth, but this isn't the only sourc, witches may call upon the spirits of other witches to aid them in spell casting what you do with it is up to you

Vampires are the byproduct of a witches magic, they are creatures of the night and those who are fortunes enough to meet a kind witch or force one to work for them, maybe be granted the ability to walk in the day, they feast on the innocent, they are fast strong and cunning don't be tricked beware.

Werewolves another byproduct of a witches magic, though these bunch were cursed to live this way, after taking a life of a human accidentally or not, they will activate the curse, once a month during the full moon these creatures turn from human form to a werewolf