An image of a peaceful garden, full of blooming flowers and butterflies, representing the beauty of nature absent on Mars,  in the style of the eerie ambiance of Ridley Scott's 'Alien' with 80s sci-fi nostalgia. Blend dreamlike, claustrophobic spaces, grimdark Warhammer 40K magic, and campy yet sinister tones. Envision a surreal, dystopian world where arcane forces meet retro-futuristic sci-fi, creating a uniquely haunting tableau