Sequential Doomsday Convoy: I Can Upgrade Everything

The strange resurgence takes over the city, and humans can only avoid being hunted everywhere. Also coming at the same time as Weirdness are the Sequencers. Only Sequencers can kill Weirdness. After killing Weird, rocks and treacherous objects will be dropped, but there is a price for using treacherous objects. Chen Ye traveled through time and struggled to survive. Fortunately, he comes with an upgrade system that allows him to upgrade everything. He discovered that the magic objects he upgraded could actually be used without any cost...