Duanmu Xiao had obtained this secret art back then and cultivated part of it, only to find himself unable to continue. No matter how hard he tried, he could not proceed any further.
Beyond Duanmu Xiao's limited compatibility with the Judgment Eye, the more crucial point was that cultivating the Judgment Eye required cultivating certain other techniques alongside it to have any chance of reaching the peak.
Yet Duanmu Xiao had obtained only the Judgment Eye. He had not acquired any of the accompanying techniques at all.
Chen Fei had the panel and did not need the other accompanying techniques. Even so, the Judgment Eye had taken him quite a long time to finally push to Great Perfection.
The Judgment Eye somewhat resembled the Sword Eye, as both involved certain Laws of Karma.
The Sword Eye could capture residual aura from the past. If something had once existed, then even if it was destroyed in the present, the Sword Eye could pull it out from the past.
If that was not the Law of Karma, then what was?
The Judgment Eye was similar. As long as one saw a person, one could judge a great deal of information about them from certain minute details.
This differed from the Retrace Eye. The Retrace Eye truly judged the future based on details; it had reason and evidence behind it.
But the information judged by the Judgment Eye from details could sometimes be utterly unrelated, like a horse and an ox, yet it would still arrive at an answer.
Back then, Duanmu Xiao had relied on the Judgment Eye to obtain much information on his assassination targets. That was also why, after accepting the mission to assassinate Chen Fei, he had been so insistent on seeing Chen Fei in person.
Duanmu Xiao had