"Reverse causality enhancement, its effect can be described as perverse, but the conditions for its activation are extremely harsh. It actually requires root-level power as a sacrifice..."
"However, it's understandable. Since it's about refining the authority of the source, naturally it requires absorbing the source's power!" Bai Xiao muttered to himself as his eyes sparkled...
"But where can one obtain a large amount of source power?"
He suddenly raised his head, realizing something.
"That's right, Forbidden Secret Martial!"
"The best is a completely formed Forbidden Secret Martial!"
