Harry Potter trapped in a labyrinthine dungeon, surrounded by iridescent, glistening surfaces, the scene highly detailed with photorealistic textures, dynamic lighting casting eerie shadows. His glasses catch the light, reflecting a distorted reality in an extreme nightmare version of the magical world. The atmosphere is mystically charged, with elements both enchanting and sinister, echoing H. R. Giger's biomechanical eeriness, Jean Ansell's dark fantasy flair, and Justin Gerard's vivid, imaginative illustrations. Creeping tendrils entwine with ancient runes, blending the unsettling and the mystical in an otherworldly, spine-chilling environment.