Su Chen set down his brush and pushed the sheet of rice paper covered in materials across the desk.
"Send someone to get them. The sooner, the better."
Xue Qinghe accepted the paper, glanced over it, folded it, and tucked it into his sleeve.
"The shadow guards have already left. At most, it'll take half an hour. What do we do next?"
"To break the formation, we first need to locate its core."
Su Chen's gaze fell on the phantom image of the White Jade Formation Disc.
"Mo Feng connected all the underground waterways of Heaven Dou City. The formation core must be hidden where the water veins converge. Looking at this illusion of the formation disc isn't enough. We need to go underground ourselves."
He raised his head and looked at the blond figure across from him.
"Go call Dugu Bo. Old Poison knows Heaven Dou City's terrain and water veins best. Having someone to guide us will save a lot of time."
Xue Qinghe frowned slightly and shook his head.
"We can't call him over."
"Why not?"
"Father was scared out of his wits by Mo Feng. After returning to the palace, he sent out twelve imperial summons in succession. Ning Fengzhi, Sword Douluo, Bone Douluo, and Dugu Bo, who only just emerged from seclusion after recovering from his poison—all of them have been summoned to the imperial palace."
There was a trace of helplessness in Xue Qinghe's voice.
"Not just them. Any notable expert in the capital, along with the elders stationed in Heaven Dou City by the major sects, has been invited to the main hall by the Imperial Guards. Right now, they're probably gathered around Father, discussing countermeasures."
Su Chen tapped his fingers against the table.
"Discussing countermeasures? With everyone panicking, what can they possibly