"A hundred million soul units?" Mu Rufeng was startled.
But he quickly thought back to the previous method for ascension breakthrough, which directly required the payment of a billion soul units, and he was relieved.
It's just that he didn't expect that the method for ascension breakthrough would actually be more difficult than the world fusion problem.
"Pay." Mu Rufeng chose to pay without hesitation.
He still had five billion soul units, so paying one hundred million was still a minor issue.
However, speaking of it, it had been quite a while since he last absorbed soul units globally.
Very soon, after the payment of one hundred million soul units was completed, lines of text appeared on the Time Book.
[World Fusion has three strategies: Upper, Middle, and Lower]
