What novel is it that doctoral students wear the soul of the prince and cultivate 80 thousand modern mysterious imperial guards?

The novel "985 Doctoral Students Train 100,000 Modern Mysterious Imperial Soldiers through Ancient Times" tells the story of a modern 985 University doctoral student who became a prince through ancient times. At that time, he used modern knowledge and technology to cultivate a modern mysterious imperial army with a scale of 80 thousand people, and through his efforts, 6,000 envoys knelt down and became subjects.