Hmm ya know https://www.novelupdates.com/series/i-am-the-monarch/ follows a solider who makes a difference in the wars of his country.... Not sure if it'll work for ya but give it a try
Kingdom Don’t know if there’s a novel of Kingdom. It’s historical with some oversized events but still inside the normal mortal world pattern. It will mix some very few wuxia elements in some points.