C421 Heart digging

"Right, has the previous scheme come to fruition?" Shen Xin thought about the human heart refining method that Qin Ao had mentioned before. He had almost forgotten about it after a long time.

"His opponent was a step too fast and only caught a few people, but they were all poisoned." However, it had to be related to the whole Sheng gambling den. It should be the same person. However