You are master of google-fu.
According to the comments in this video:
http://www.youtube.com/watch?v=HG-S8prwJ00
This music is "Aftermath [After the Fated Battle]" from the last blade 2 arranged soundtrack.
THE PROBLEM IS THAT EVEN WITH THIS INFORMATION, I CANNOT SEEM TO ACTUALLY FIND IT BECAUSE IT DOESN'T ACTUALLY APPEAR TO BE ON THE ARRANGE SOUNDTRACK.
FIND IT FOR ME, I HAVE BEEN SEARCHING FOR SO LONG OH GOD.
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