Wala!!! I get more understand after see this http://www.youtube.com/watch?v=82e2h4SJp7Q My opinion:I think dante went to fortuna killing because the discussion(Lady and Trish)at dante's shop.Maybe lady give information o.0 .Their final conclude is fortuna is going to become a devil town because of the weird experiment!Nero is included so that his arm get changed!I believe that at last Nero will cooperation with dante XD.
