Stars: the Tragedy of Callisto is a Voice of the Night Sky quest that requires the player to collect five coins to complete it: the Ursa Major, Ursa Minor, Canis Major, Canis Minor, and Boötes coins. In your notebook, the quest's details read as follows: After completion of The Tragedy of Callisto, the voice on the radio will say: The company's reputation will go up and you'll receive sixteen thousand pelagos as a reward for completing this quest.