Mystery of the Domed Mountain

The strange mountain on the edge of the Mushroom Kingdom may have been the cause of the citizens, including princess Peach, to disappear. Mario takes upon himself to climb the steep cliffs of no-return to rescue them, but when he finds a green-clad hero there too, they have to work together to save their friends. A fun One-shot. Based on 180 Writing Prompt 13: "Behind the Cloud".