League of Legends: Magical Valoran

This is a true (League of Legends) story. It is a rune war caused by the invasion of Valoran by magic, martial arts, wizards, trickery, elemental dragons, ancient dragons, and the descendants headed by the Void clan. Justice and evil, protection and development, advanced civilization technology and various reasons for the decline of tribal civilization. Whether it is the huge gap in power, wealth, social civilization or ideology. Eventually, behind this seemingly infinite prosperity and prosperity, unimaginable huge crises began to appear. Is it the glorious continent of Demacia? Or will the Noxian cavalry conquer Valoran?