viking old celtic scandinavian . hammer of god thor, two ravens and celtic patterns drawn in vintage retro style

raven black crow vector design illustration decoration medieval ancient celtic ornament viking odin norse nordic valhalla wotan pagan europe heathen style mythology north asgard runes valknut munin gothic ragnarok hugin thor mjolnir amulet scandinavian berserk hammer barbarian lightning jormundgand travel pattern vintage lucky drakkar asatru wings flight wicca