space wolf, Warhammer 40000, power armor, fur cloak, boltgun, chainsword, fangs, battle stance, grim expression, icy tundra, snowflakes, blizzard, frost breath, towering pines, gothic architecture, moonlit night, dynamic lighting, dramatic shadows, 3/4 view, detailed texture, metallic sheen, battle-scarred, heroic scale, imposing presence, sci-fi fantasy, atmospheric mood, high contrast, cinematic angle.