The witch costume
If you decide to go to the LARP as a witch or even as a magician, then consider that hardly any fate is so fraught with superstition, horror, danger and torment as witchcraft. Or is that what appeals to you? Witches have power, if they are real witches. Witches are dangerous. So a witch costume for LARP is not so much a costume as a garment, a garment that turns your dark and powerful sides outward. You have to be a witch with all your soul!