Certaintys Quest: Legend of the Kings Die

One day, Certaintys best friend Probs asks Certainty to help him look for an old treasure that existed in his family. Certainty, of course, decides to help his friend, but cant help but wonder if theres more to the story than what his friend told him. Should they even be looking for the treasure at all? Why was it locked away in this dungeon? Why does Probs want this? All we know is that the treasure is called the Kings Die and the adventure that awaits them will be a grand one!