Purgatory Reincarnation was a secret art among secret arts. What drove this secret art was the chakra wheel of a knight's core cultivation method.
Because knights cultivated methods of different grades, the effects of the Purgatory Reincarnation secret art likewise differed. In a sense, Purgatory Reincarnation was an immensely powerful auxiliary secret art. The existence of this art also confirmed one of Zhang Tie's earlier conjectures—in that distant and glorious era, when people condensed chakra wheels, there had been all kinds of auxiliary equipment and secret arts to increase the speed at which chakra wheels were formed.
Secret manuals for advancing as a knight were divided into seven grades, and the effects of Purgatory Reincarnation were likewise divided into seven grades.
The Great Expansion numbered fifty; forty-nine were put to use, while man alone escaped the one. Seven squared was forty-nine, and the number forty-nine was a necessary condition for forming Seven-Power Fruit. Yet Purgatory Reincarnation took seven as its base. There seemed to be some mysterious connection between the two, concealing the laws of the Great Dao.
When driven by a baron-class chakra wheel, Purgatory Reincarnation could refine one-seventh of the opponent's chakra wheel elements for one's own use.
A viscount-class chakra wheel could refine two-sevenths, an earl-class one three-sevenths, a marquis-class one four-sevenths, a duke-class one five-sevenths, and a king-class one six-sevenths. As for an emperor-class secret manual, it could refine everything.
Zhao Yuan thought Zhang Tie cultivated the viscount-class Five Elements Earth Manifestation Scripture, but what Zhang Tie truly cultivated was the emperor-class Infinite Roc King Scripture. The ultimate power driving the Purgatory Reincarnation secret art was also the Infinite Roc King Scripture. Under the terrifying might of an emperor-class secret art, how could anything possibly be left over? All the earth-element energy in the minotaur devil's