mortuary assistant, warning sign, realistic, embalming room, stainless steel table, medical instruments, dim lighting, eerie atmosphere, shadowy corners, formaldehyde scent, cold temperature, mortician in lab coat, gloves, protective mask, cautious posture, suspenseful mood, ambient light, high contrast shadows, horror theme, detailed textures, 3/4 composition, close-up on warning sign, aged paper, bold lettering, bloodstains, flickering overhead light, cobwebbed corners, dusty shelves, vintage mortuary equipment, suspenseful cinematic composition.