Chen Mo, a poor boy, accidentally fell into a crack in the ground and activated the mysterious Hearthstone system, which allows him to collect cards and gain abilities. He drew the Six-Style Navy card to learn physical skills, and also obtained the explosive card, which is incredibly powerful. There are evil things sealed in ancient times hidden in the underground world, and all major forces are coveting them. Chen Mo relies on his calmness and rationality, while slapping his superiors in the face while exploring underground treasures, using the Hearthstone system to combine cards, counterattacking from a loser to a top powerhouse, and finally smashing the evil conspiracy and protecting the above world.
