Obscurus steals the elements
Celestia awakens an ancient magic army to fight against him and the changelings
Twilight discovers a secret power of the elements
Rainbow Dash is revived...because of friendship
invasion begins
Fighting and more fighting
Twilight uses the elements powers to stop the changeling army
Obscurus barely survives with his powers completely gone
Celestia imprisons Obscurus
Rebuilding starts
Sunshines and sparkles
The End
wut
4253827 sorry for the disappointment
4254065 troll ending
I rarely like darkfics such as these, and this one was particularly good.