Achieve Achievements in Dungeons and Receive System Rewards

A novice adventurer excitedly interviewed the brave man who was the first to clear the dungeon: "It's amazing that you have achieved what you have achieved today. What would you say to yourself ten years ago?" The brave man regarded the adventurer as his former self and said: "Hello to me from ten years ago. Please be sure to eat that bowl of poisonous rice... Because the dungeon in another world is so interesting!" ... Ling Mu, who traveled to the underground world, was told by the gods that he could receive system rewards by completing achievements. When facing a dragon as weak as a slime or a giant dragon that could destroy the world, he would always say that line habitually. [Don't worry, wait until I complete this achievement. Elements of this game: [Dungeon] + [Slight Battle Royale] + [Multi-racial World View] + [Artifact Collection Lover] + [Prop Collection Lover] + [Monster Illustrated Lover]