The Thai master of the BDSM club approached Sarah with a wicked gleam in his eyes. He signaled to his assistants, who brought over a tray of gleaming metal piercing tools.

"Time to mark you as our property," the master growled. "No pain slut is complete without her own set of piercings."

Sarah whimpered as the assistants roughly pushed her onto her back, spreading her legs wide. The first piercing went through her left nipple, sending a searing jolt of pain through her body. Tears streamed down her face as they pierced her right nipple, then moved lower.

The master watched impassively as his men pierced Sarah's clit and pussy lips, leaving her genitalia adorned with glinting metal rings. Next, they attached heavy weights to the piercings, tugging harshly on her tender flesh.

As the pain faded into a dull ache, the master produced a hot iron brand, the glowing end searing Sarah's skin as he pressed it against her hip. She screamed, thrashing against her bonds, as the club's logo was permanently burned into her flesh.

Finally, the master inserted an ice-cold dildo into Sarah's ass, followed by a warm one in her pussy. The extreme temperature shift made her squirm and cry out.

Once the dildos were securely in place, the assistants bound Sarah to a St. Andrew's cross, leaving her legs spread and arms splayed wide. The master leaned in close, his breath hot against her ear.

"Now the real fun begins," he whispered. "Three hours of non-stop pain, and not a single orgasm. Let's see how long you last."

With that, he snapped his fingers, signaling the start of Sarah's agonizing ordeal. She screamed as the assistants took turns whipping, pinching, and stretching her body, keeping her on the edge of consciousness for what felt like an eternity.