Derpy sat upon the Celestial Throne, her mind fully focussed on her task. She could not betray the trust that the Diarchs had imposed upon her. She gazed relentlessly into the sky with the full force of her intent...

Outside the palace, near a secluded grotto in the Royal Gardens, Celestia pondered her next move in a recently resumed game of croquet with Luna, one that had begun over a thousand years before. As she tapped her mallet thoughtfully in the grass, she saw the shadows change. Another bright golden orb was growing in the sky. A Sun Dog? None had been scheduled for today. And it had no partner on the other side of the sun... The anomalous orb grew larger...

Derpy licked her lips. This one was a toughy! But she'd done her duty as Solar Princess for a day. The image in the sky now matched the one in her head. She congratulated herself, even as Celestia burst through the stained glass window in panic and anger, shouting "WHAT HAVE YOU DONE!?"