Lu Zhen carefully felt the string and could approximately determine Lu Zhi's location.
"Hmm, this works," Lu Zhen thought as he tried to control Lu Zhi like a puppet, just as he had done previously. However, a small frown appeared on his face.
"So that's not possible, huh?" He stroked his chin in thought.
"Let's try this," he decided, reconnecting his connection with Lu Zhi.
"Can you hear me?"
"Yes, young master," Lu Zhi, who was walking around in the palace, answered, stunned by the unexpected communication with Lu Zhen.
"Hmm, I can communicate as well even over this long distance. Then how about this?" Lu Zhen thought as he lightly tugged on the string-like aura for a fraction of a second.
"Ah!"
"Looks like it does work," Lu Zhen nodded to himself as he carefully sensed Lu Zhi's condition.
"Why did that bastard do that?" Lu Zhi tightened his fist, but he wore a terrified expression.
"Young master…"