That is one of DSS's main attack to defeat stronger character.. :)
(Then later, I'll challenge a match without using that skill)
That stage's link is here.
Maybe but this link is downed now..
Can you check this link too? I want to check it, but I'm not at my home now..
http://network.mugenguild.com/vibrant/Vibrant%27s%20Mugen%20Stuff/HD%20Stages/
Stage name is XX'Valley'XX. (I'm not sure that this stage is collect with that you want.. becuase there's no screenshot)
I got that stage at Korean's Mugen Community, but to enter that link, you must register it
(The BGM is custom)