The war. It was gods versus everything. How can a group of ponies, changelings, and animals defeat gods? They're going to need help from some friends eventually, and they will get it. But right now, they have to survive long enough for them to come…
The picture doesn't relate to this story. (Not really, but kind of.) It's just to show coordination with the main story.
Main story: (It doesn't matter which one you read first) http://www.fimfiction.net/story/27412/The-Elements-of-Awesomeness