primarch, 6th legion, Space Wolves, Leman Russ, warrior, male, muscular build, long hair, beard, furs, power armor, wolf pelts, Fenrisian wolves, icy tundra, snow, frost, Viking-inspired, battle stance, holding a frost axe, Mjolnir-like hammer, runes, majestic, towering presence, mid-action, dynamic pose, stormy sky, lightning, war-torn battlefield, Norse mythology elements, detailed armor engravings, glowing eyes, 3/4 view, dramatic lighting, high contrast, epic scale, cinematic composition.