The assault on Canterlot Castle was in full swing. When Cozy Glow received reinforcement from Chrysalis and Tirek, the villains gained the upper hoof. But old friend Twilight is already in a hurry to help the heroes. How will Moon Dancer stop the villains? The answer is in this story!
The original fanfic by me is posted on Russian-language resources:
https://ficbook.net/readfic/018cbfdb-d9e3-70e3-afe7-8fe70f8adde1
https://ponyfiction.org/story/17541/
Translation into English was done by:
https://www.fimfiction.net/user/535037/oranzinispegasas