, "There is indeed a poison that can control people, but it cannot guarantee such a long time of ten years. At most, it would last for two or three years. As for the effects of taking it continuously...that this influences the course of history is very mysterious.Xiao Tiannan's heart was filled with mixed emotions."What reward do you desire" Yelu Shenxuan asked.Xiao Tiannan's heart trembled, he knel...