Heartless True Person and the Nine Heavens Sovereign froze for a moment, then their eyes could not help but light up.
The reason they had not planned to use Li Su's supreme treasures to kill evil spirits and seize their fortune was that it simply did not seem very reliable.
After all, evil spirits were not fools. They would not just stand there and let themselves be killed.
After an operation like theirs, finding them now would likely become extraordinarily difficult.
The Primordial World was simply too vast.
Not to mention the Three Realms before them—even the three thousand affiliated worlds were troublesome beyond measure. Each world contained nine million lesser worlds; searching through them one by one would take until the Year of the Monkey and the Month of the Horse.
Moreover, they had only found that evil spirit before because it had exposed itself and left behind traces of its aura, allowing them to track it back to its nest. Going out specifically to search for one now was an entirely different matter.
But now, things were different.
If the supreme treasures that had answered Li Su's summons truly had evil spirits suppressed within them, then the most troublesome part had been resolved right from the start.
Of course, if an old saint died, that method would be better and faster.
But it also carried uncertainty. How could anyone be sure that after an old saint died, they themselves would be the one to break through?
And what if the evil spirit suppressed by that supreme treasure was in the Saint Realm?
The odds of that were undoubtedly great. Very great.
The risks of killing a saint were easy enough to imagine. Even with extensive and thorough preparations, saints were not fools—they would not stand there and let