ancient blue bunch circle circles circular clean cultural culture free gray grey historic historical history image isolate isolated isolation magic metal metallic myth mythic mythological mythology norse object objects occult photo photograph picture primitive relic relics resource round rune runes somadjinn steel stock symbol symbolic symbols tag tags viking white abstract cold concept dark fantasy frightening gods graphic halloween illustration imagination immense legend light nordic ornate otherworld pattern poetic Edda prose Edda reflection ripples scary shadows silhouette spectacular spooky texture tree water weird world tree Yggdrasil