thors hammer mjolnir, drawing in celtic knot . norse runes circle, on white, . viking style,

vector mjolnir frame border rune mysterious mystical occult odin oracle pagan paganism protection religion circle sign spiritual spirituality teutonic thors hammer thorshammer valhalla wicca witchcraft magical letter good luck charm witches viking asatru wodan nordic magic celtic black celts fortune symbol amulets god germanic norse gothic runic earth thor asgard ancient