Xu Chang'an hadn't forgotten that Chu Xianyi had previously intercepted a portion of his Demon Sense. If she were to use a Secret Technique to trace it back to its source, she would have been able to find him.
This time, his breakthrough via the panel had completely changed the aura of his Demon Sense.
'That takes care of one hidden danger!'
Taking advantage of the situation with the Tribulation Cultivator had saved him at least several years of hard work.
The extra resources from it had also shortened the time he would need to break into Mid-stage Core Formation.
However, breaking into Mid-stage Core Formation required a full 50,000 Energy.
'That number is absolutely absurd!'
Breaking through to Core Formation and becoming a Demon King was enough to be considered a high-end combatant in the Red Cloud Mountain Range, the Thundering Mountain Range, and even the adjacent territories of the Human Race.
The Red Cloud Mountain Range was hardly a peaceful place these days.
