ancient scandinavian . thors hammer, mjolnir, with wolf heads, lightning and a celtic-scandinavian pattern

thor mjolnir mjollnir amulet celtic german gods gothic icon mythology nordic norse odin pagan scandinavian wolf viking wicca symbol illustration berserk blackandwhite vector valhalla runes hammer asgard barbarian ablaze lightning jormundgand ragnarok europe valknut design traditional decoration pattern vintage medieval ancient old ornament lucky style north culture knotwork retro