As he said this, he reached for his pants, and the other two laughed wildly as they also began to undress, "Thirsty? you should have said so earlier, young master has been holding it in for quite a while. I guarantee you'll drink enough!"
The unruly men were unzipping their pants and pulling out their genitals when suddenly an unexpected sound came from behind them. Instinctively they looked back, only to see an agile black figure darting in like a ghost. The next moment, they experienced a tremendous pain in their necks and collapsed on the ground.
There is a large hole in the occipital bone at the back of a person's head. If a sharp weapon is inserted into this hole, reaching the cervical spine, the person would die instantly and silently.