Canterlot has fallen to the Storm King, and now Princess Twilight Sparkle is on the run. Hunting her down, Tempest Shadow, the tyrant's most valued mercenary, believes she had captured the runaway alicorn. But instead, all she obtained, was Twilight's friend, Rarity. Still, determined to learn what this mare knows, Tempest has her brought back to Canterlot. And in the deepest dungeons, the wicked unicorn is going to try and break the mare.

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