Dai Zichen was already infinitely close to half-step Crystal Formation Realm. He entered a closed-seclusion this time because he planned on consolidating his realm even further so as to breakthrough to half-step Crystal Formation Realm.
Currently, Dai Zichen's condition was very good. He felt that he could roughly break through cultivation realms after another one or two attempts!
"En? What's the matter? Why did the essence energy in the cultivation room become weaker?"
Dai Zichen who was in a cultivation state the whole time was suddenly startled awake by this situation which occurred suddenly.
Shutting his eyes to sense things, Dai Zichen discovered that the essence energy in his cultivation room was weakening rapidly as if it was being plundered by something!