e materials for Tong Tian Dan are relatively common and inexpensive in this world.Thus, after entrusting Xiao Yun to send people to gather enough medicinal materials, Jiang Yun began to mass-produce t...king his head: "This place is a prison, a jail for you, but for us, it's actually our home, our roots!"That's the truth. Even though the environment here is harsh and the conditions are poor, it's sti...