An associate professor of life engineering, traveled to a different world in medieval Europe, and used modern biochemical technology to discover that viruses, bacteria, and parasites that have long been extinct in human history are actually the source of supernatural powers. He rescued and integrated what is known as The heterogeneous crowd established a heterogeneous knight order that swept away thousands of troops, setting off a wave of revolution in the Middle Ages. Overhead world, fantasy background, dominating the main line, a slightly serious plot, and a little biochemical knowledge. The previous chapters are a bit dull, the more It will be more exciting in the future.