The audio begins with the distinct sound of a metallic object, glowing red-hot, being brought into contact with a surface. The intensity of the heat triggers an immediate reaction, causing a loud, drawn-out hiss which resonates within the confines of the room. The sharp, sizzling noise is reminiscent of a severe burn; it's the unmistakable sound of cauterization. The red-hot metal continues to sear the surface, producing a constant hissing noise that rises and falls in waves, creating an intense atmosphere of searing heat and relentless pressure. The metallic element in the sound adds a high-pitched, harrowing echo to the overall audio experience, amplifying the sensation of something being branded or cauterized. The hissing metal sound gradually fades out, leaving behind a lingering sense of intense heat and the haunting echo of the searing process.