Epic, ultra-realistic Warhammer 40,000 album cover inspired by the Battle of Macragge. A devastated battlefield at dusk. In the foreground — a single Ultramarines Space Marine standing atop a mound of fallen Tyranids from Hive Fleet Behemoth. His blue ceramite armour is cracked, scorched, and covered in ichor, yet he stands unbroken, holding a battle-worn banner planted firmly into the ground. Around him — the remains of the battle: shattered Tyranid bodies, broken chitin, smoking craters, burning wreckage. In the midground — silhouettes of other Space Marines advancing through smoke and fire, securing victory. In the background — the fortress spires of Macragge, scarred but still standing, lit by a grim, cold light. The sky is heavy with ash and spores, pierced by distant orbital fire and falling debris from destroyed bio-ships. Light breaks through clouds, illuminating the banner and the warrior, symbolizing sacrifice, endurance, and triumph. Atmosphere: grimdark heroism, solemn victory after annihilation, honour and sacrifice. Cinematic lighting, strong contrast between shadow and light, volumetric smoke, glowing embers. Hyper-detailed textures, realistic materials, monumental scale. No text, no logos, no watermarks, no frames. Album cover composition, centered, iconic. Style: grimdark, cinematic realism, Warhammer 40k, epic battlefield, high detail, dramatic lighting.