Cangling's action of using those close to him as leverage is meaningless.
Under the Death Omen Law, such actions by Cangling actually expose his weaknesses to Wu Hen, who can use the Death Omen images to lock onto the people around him, pinpointing his identity.
Thus, even if Cangling truly possessed the ability to manipulate time, even having supernatural skills like Time Travel, Wu Hen had ways to counter him, the more Cangling pressed, the more Wu Hen could capture his presence.
"That Mist Battle Clothing is left with you guys, help me improve it while you're at it." Wu Hen said.
"It's already the most advanced. Any improvements would rely on new technology, new materials that might emerge in three months..." Luo Hong said awkwardly.
"Does the Mist Battle Clothing have anything like a law enforcement recorder?" Wu Hen asked, though he himself felt it was somewhat unrealistic.