The quote reads: "Nulla e reale; tutto e lecito. Requiescat in pace", which means,"Nothing is true, everything is permitted. Rest in peace."
If I could fight with any character, it would most definitely be Ezio Auditore of Assassins Creed fame. :D I can't wait to use him in the new Soul Calibur.
His stage would probably be somewhere in Firenze/Florence. As for the battle theme, I have no idea. lol Probably the race theme on Assassin's Creed: Brotherhood. It can be heard here: http://www.youtube.com/watch?v=5CK4oOSs_zs.
The image was taken from Gamefaqs. Here more specifically. ^_^
I don't really know who to dedicate this to. I'll just dedicate it to you, Aishia. I challenge you to a duel! :P