The spirit that corrupted Princess Luna and that now had already been banished and named as Nightmare Moon,left Princess Celestia on a great sorrow…approximately 1 year later an unidentified being reveals itself in front of Celestia and exclaiming that he is searching for his sister,that it will get identified as Luna's corrupter…
There are story's to tell..
A story to make…
Forgiveness to give…
and a common sorrow to share and go through…
[spoiler]The story may contain small grammar mistakes…[size=0.75em]sorry[/size] [/spoiler]