Zhang Tie should have left Castle of Black Iron long ago.
If every problem could be solved within Castle of Black Iron—if he could advance smoothly to God Emperor at the fastest speed, then return to Great Xia—he would not have minded staying there. Unfortunately, although he could absorb the four elements to cultivate within Castle of Black Iron, if he truly kept cultivating there like that, forget advancing to God Emperor; even reaching the saint rank, who knew whether it would take until the Year of the Monkey or the Month of the Horse.
Having grown accustomed to Purgatory Reincarnation, Zhang Tie had now completely cast aside that step-by-step, conventional method of cultivation. To him, such cultivation was simply a pure waste of time.
Originally, Zhang Tie had planned to wait until he had fully condensed the fire chakras absorbed by his lotus flower from Xia Yangming, Shi Zhongyu, and Qian Changqing into his own chakras, at least until he advanced to the Sixth Transformation of the Firmament, before going out. At that point, should he encounter danger again, he would have more confidence. But reality would not always bend to a person's wishes, and escaping death at the hands of a Devil Emperor always came at a price.
The current situation was that if the Battle Qi within the void of his qi sea could not recover, then even if Zhang Tie remained in Castle of Black Iron for a hundred years, unable to condense chakras, he would not be able to make any further progress.
Perhaps the condition of his qi sea's void might naturally recover after some time—several months, perhaps several years—but Zhang Tie did not have that much time to waste. He simply could not afford it. Moreover, Zhang Tie felt that the possibility of