stunning artwork, dark, chiaroscuro, low-key, DarkFantasy, 
A crisp and focused epic scene of a Warhammer Imperial Space Ultra Marine, his blue armored boot is crushing the skull of a nasty alien Tyrranid, triumphant pose holding massive rifle, in a dark battlefield of carnage, slain monster aliens all around, piles of dead aliens in the background, awesome scene of domination, 
on a distant planet with dim evil-looking greenish clouds, the Space Marine looks awesome with the shining gold symbol of the chestplate catching sunlight rays and looking stunning against the dark blue of the power armor, amazingly realistic and believable, clean outline of the triumphant figure of the marine who crushed his disgusting alien enemy, 
Warhammer 40000, 
awesome details, masterpiece, best quality, UHD, exceptional detail,