A fearless Viking chieftain journeys to Valhalla, his face adorned with intricate dark warpaint. His scruffy black beard is tangled and wild, framing an angry expression etched deeply with a battle-scarred visage. In his powerful grip, he clutches a formidable Viking axe. The scene is illuminated by dramatic, cinematic lighting, with volumetric rays piercing through the misty air. The atmosphere is hauntingly moody, as rain-soaked mud cascades in rivulets down his armor and skin, emphasizing the raw, rugged nature of this warrior's final odyssey.