My Weapons Can Be Upgraded

When the real world merges with various worlds, can a human save the world? He has Steyr to show off the world, he has the Sand Eagle to evolve, he has the dagger to move in and out of zombies seven times... He is the messenger of death in the night, he is the cheerful angel in the day; not many people have seen him, but most of them are dead! ------------------Introduction This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.