Although Kiana was, in a sense, also Sirin, they were ultimately two consciousnesses in one body. Kiana's control over the Herrscher of Void Core was definitely weaker than Sirin's.
A Herrscher Core and its Authority were two different things.
For example, in the original timeline, after the Herrscher of Knowledge and Fu Hua fought over the body, Fu Hua successfully reclaimed her body, but Little Senti took away the Herrscher of Knowledge's Authority, while the Herrscher Core remained inside Fu Hua.
But Fu Hua, despite having the Herrscher Core, could not use it unless she tricked the Herrscher of Knowledge.
If Chen Luo wanted to use River God Ability to help Kiana evolve to a higher level, Kiana needed true control over her Authority, not merely possession of the Herrscher Core.
Only then could the Herrscher Authority be stripped away, thrown into the river, and enhanced.
Simply evolving the Herrscher Core would be completely useless.
"But Tai Xu Sword Qi can't be learned overnight. That thing is really hard to learn," Kiana said with a sigh.
After the drastic changes in her life and learning that she was not truly herself, Kiana's desire for power had not become extreme, but she still longed for the strength to protect herself and her family.
The moment she learned that she was merely an orphan rather than an original member of this family, anyone would have matured a little, wouldn't they?
That was how Kiana was now.
Although she had not experienced the life-and-death separations of that future, she was no longer so reckless. She had begun seriously studying the various practical and theoretical courses for Valkyries.
Her family had been separated, she had found her parents, she learned she was not Kiana, yet she was still accepted by those around her... The