Something's Wrong with This Dungeon

Ron traveled through a dungeon. I thought I would be tortured by countless adventurers. Until one day, a piece of news spread like wildfire: Someone discovered a small amount of monsters among the large amount of treasures in this dungeon. Suddenly, adventurers swarmed in. As the dungeon master, Ron smiled slightly: "Guess where all the treasures come from? Jie Jie Jie..."