I Just Want to Survive, Why Can I Become Stronger by Taking Off My Vest?

Shi Shijie and Liang Ming made a joke. He didn't wake up to the invincibility system that came with others' rebirth until he was about to die. Before his death, the system gave him the sharpest shield and strongest spear in the empire... Liang Ming: I really just want to survive! Who would have known that he would lose more and more vests and eventually become the boss of Xinghai!