Gothic mood, Warhammer 40k, male space marine librarian reads forbidden magic tome by candlelight, bearded face is covered in scars, kneeling in vast Gothic cathedral near dark altar, wearing massive power armor with red cape, the forbidden tome burns with violet fire, the floor and walls are covered with frost, grim dark mood, photorealistic, masterpiece, 8k, adeptusastartes, <lora:adeptusastartes:.8>