Lingyunzi looked like a grandmaster of martial arts at that moment as he said to Su Tian, "Only by breaking free can one see through life and death and achieve the status of a true True Immortal Dongxuan."
"Right, and if you can't break free, you just die, right?" Su Tian said.
"Precisely. The Dan Realm is extremely dangerous. Step across it, and you see the heavens and the earth; fail to step across it, and the heavens and earth turn dark, and everything perishes."
Chapter 148