(Recommended that you watch up to Tempest Shadow's first appearance in "My Little Pony: The Movie" to fully get it)
Tempest Shadow. Greatest warrior of The Storm King's army, powerful wielder of raw magic, able to fight most Earth Ponies to a standstill. Though not the most strategic of minds, it would seem. However, Twilight Sparkle is more than happy to teach her the lesson of "Why Attacking Equestria When it's Most Powerful Protectors are in One Place is a Bad Idea".
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A simple short bit of writing that I came up with after watching "My Little Pony: The Movie". Just poking fun at the biggest plot hole of the flick, not meaning to be some grand epic. Though I do have ideas for a more serious series based on this, if anyone is interested.
If I've categorized this story wrong, please let me know and I'll attempt to rectify it. This is my first attempt at using this particular interface, and it's a bit confusing for me.