grunge rough dark metal background with scandinavian pattern. iron material brutal ethnic geometric pattern norwegian style

aluminium aluminum ancient antique aztec backdrop background blacksmith brushed brutal cover culture dark decorative design durable ethnic ethno forged geometric geometrical graphic gray grunge hammer hard heavy heroic illustration iron legend material metal metallic mexican motif mythology native north norwegian odin oriental pagan panel pattern plate rough saga scandinavian scratched simple stainless steel style surface texture thor tile titanium tough traditional valhalla vector wallpaper