Although ring spirits were innately linked with the people they were matched with, but many ring spirits develop close feelings of attachment with their owners and become unwilling to depart, thinking of various ways to remain around their owners. They were linked to their owner's spirit and resides within the owner's body. Although the little Emperor's elder brother's spirit had been destroyed, but the body still remained in this realm. His ring spirit had then thought of a way to move itself into the little Emperor's body, to protect his owner's most beloved little brother.
It then dawned upon Jun Wu Xie, and she finally knew, from where the strange force inside the little Emperor's body had come from.
That was the little Emperor's elder brother's ring spirit and it was using its own spirit power to protect the little Emperor from being harmed by the Sacrlet Blood.
"It's all thanks to it." Jun Wu Xie said softly.