Mysterious Medieval King

After traveling to the Middle Ages and becoming the sole heir of a small country, Ye Si originally thought that this would be a script for a continental struggle for hegemony. As a result, he had just been crowned king when Minister Gu Ming told him that the general below had captured a witch. Witch? ? ? The kind of witch who breathes fire! ! ! He finally accepted the existence of the witch and thought that his life was a script to eliminate or save the witch, but the witch gave him another blow: this world is far more mysterious than he imagined... Guns, explosives, tanks, armor, witches, demons, curses, undead, and all kinds of mysteries coexist. This world is not scientific at all, and His Majesty the King expressed that he was under great pressure. The considerate witch took the initiative to share His Majesty's worries. As long as His Majesty allows her to establish a witch church in the kingdom, the witches of the Northern Continent will become His Majesty's strongest support. However, forming an alliance with witches means that you will be enemies with more than a hundred churches such as the Church of Light God, the Church of Dark God, the Church of Wisdom God, the Church of Technology God, the Church of Knowledge, the Church of Redemption, the Church of Medicine, the Church of Life, the Church of God of War, etc. Damn... His Majesty the King's mentality collapsed. Crushed to pieces...