A dramatic portrait of a Nordic Viking warrior with a long white beard and weathered face wearing traditional fur-trimmed armor with intricate blue Nordic patterns and leather straps, holding aloft an ornate wooden staff topped with a glowing electric blue spectral polar bear spirit crackling with lightning energy, set against a magnificent aurora borealis display with swirling green and purple northern lights filling the night sky, snow-capped mountains below, rendered in a cinematic anime art style with cel-shading techniques, inspired by high-budget anime films, dramatic uplighting emphasizing the magical atmosphere.