To understand the causes and consequences, He Tianchang breathed a sigh of relief. Now, though, it's just a little more speculative. But according to the analysis of the current situation, He Tian concluded that the correctness of this guess should be very high.

Others, even if they have arrived at Zhenhuan Teacher, may only be able to smoothly and easily practice the first three layers. Even the third level can not be practiced and will bear all kinds of pain.

If the fourth, fifth and sixth levels want to succeed in practice, they must endure more pain, so that they can have the possibility of success. Where is

? Because...