Gothic raygun, futuristic sci-fi, intricate stone carvings, ornate metal details, stained glass windows, grandiose cathedral-like structure, towering spires, mysterious misty atmosphere, dimly lit, ancient runes etched into walls, eerie green glow emanating from within, worn stone floors, grand entrance with heavy iron doors, Baroque-inspired ornaments, complex machinery, steam punk elements, abandoned futuristic cityscape.