The sudden change shocked everyone. No one expected Zhang Xuanji to take action suddenly, and the speed was so fast that they didn't even see the action clearly. In fact, even the Blood Demon, who was famous for his speed, didn't react. It was slapped away. Simple, brutal, and overwhelming. It was not until this moment that they deeply realised that the seemingly kind-hearted fat old man in front of them was more difficult to deal with than they expected. "Click, click, click..." Blood Demon William staggered up from the ground, and stretched out his hand to straighten his crooked neck. His collapsed cheeks are also beginning to recover at a speed visible to the naked eye. Fortunately, vampires have strong body healing capabilities, otherwise a slap would be enough to make them crippled. "Old guy! My strength is pretty good, but it's not that easy to kill me!" Blood Demon William gritted his teeth and stared hard at Zhang Xuanji, hi...