h3llr4is3r, ch4mb3r, empty void chamber, black stone walls dissolving into darkness, black stone floor, floating dust and non-organic debris in zero gravity, small tarnished brass puzzle box levitating off-center at chest height with amber light pouring from etched seams, hanging chains, eternal night, charcoal black, brass gold, amber glow, cold lunar grey-blue light, ominous silent timeless atmosphere, cinematic lighting, wide open center floor space