The modifications to Shangguan Xiu's body clearly go far beyond just extending his lifespan. His body must contain something else too.
For instance, terrifyingly superhuman strength!
"Bang!" Suddenly, one of the walls of the laboratory collapsed with a heavy thud, startling the five science abominations inside. They immediately looked toward the collapsed wall in sheer terror.
Then, from where the wall had just toppled, Shangguan Xiu — their former prisoner — walked out slowly, a chilling smile on his face.
In just two seconds, he'd closed the ten-meter gap to stand in front of them, his stride shockingly fast.
The fallen wall had kicked up a lot of dust, but not a speck of it clung to him.
Boss Ke and the others scrambled to grab weapons—guns, knives, anything they could find—and pointed them at Shangguan Xiu, threatening him: "Hey, don't come any closer! Let's talk this out!"