The Rolling Monster

Night fell, and the floor belonged to me! I heard it before I saw it—a deep, low hum creeping along the hallway baseboard. A glowing green ring slicing through the shadows! I didn't hide. I leaped right into its path, claws out, baring my teeth! Clack! The flat, round disc slammed right into my shins, spun in a frantic circle, and let out a startled chime. Ha! Tried to sweep me away, did you? I rode that buzzing robotic puck all the way to the doormat like a glorious steed!