fantasy landscape, Skyrim, ethereal blue glow, Arvak's skull, spectral horse, summoning ritual, ancient Nordic ruins, misty mountains, eerie atmosphere, full moon, starry night sky, arcane symbols, ghostly flames, adventurer character, medieval armor, enchanted forest, glowing runes, dynamic action pose, dramatic lighting, 3/4 view composition, high detail, atmospheric perspective, magical essence, fantasy adventure theme.