Reused video title is reused.

But I had the strong urge to make this a day after seeing the finale. I'm sure there's tons of other music tracks that could fit this battle, but this one just stood out in my head.

And yes, the image at the end was made by Yours Truly. You can find a full size version here: http://theinvertedshadow.deviantart.com/art/Let-the-rainbow-remind-you-453251449

Enjoy~