They followed Ding Min to the research room in the fourth basement.
On the way, Fang Heng saw many vampires resting upside down on the ceiling.
Lin Hanzheng shrunk his neck and held his breath. He tiptoed behind Ding Min, afraid that he would be discovered.
Ding Min was used to such an environment.
Along the way, they met mid-level vampires on patrol a few times. They simply brushed past the vampires.
They arrived at the basement's alloy metal door.
There were two vampires standing at the door.
"Dr. Ding Min."
"Open the door. I'm here to check on the condition of Angetas."
The two vampires didn't suspect Fang Heng and Lin Hanzheng who were following Ding Min. They pushed open the metal door together.
Walking into the central laboratory, Fang Heng's pupils constricted.
The five-to-one large full-screen real-time monitor occupied the entire wall of the control room hall.
