Clash of Clans: Lord System

After transmigrating to another world, he gets the Clash of Clans System and builds a territory, becoming king of the mountain. You have your infantry legions, but my barbarians will show you what strength means. You have your archers, but mine will show you what precision means. You have your cavalry… Actually, never mind. I’ll just bring out the dragons. Those top-tier magical beasts you covet are right under me. Let me roast you all with a single blast of dragon breath!