Soul summoning was a very complicated process. It had to be done as soon as possible. The longer the person was dead, the more difficult the process would be. It might not even work.
Once a Saint Soul dissipated, the fragments would gradually be assimilated with nature. In the end, they could not be gathered.
Zhang Ruochen was still in good condition. He had kept at least one percent of his Saint Soul. With this as a foundation, it would be relatively easy to condense the dissipated Saint Soul again.
CRASH!
Blood Empress cut her wrist and released a large amount of divine blood.
Using her divine blood, she quickly carved profound runes to set up an unusual Soul-summoning Array.
It was unnecessary to use divine blood to set up a Soul-summoning Array. There were many alternatives, and they could be made in advance.