Arc System Works has announced Nico Nico streams for the main and side tournaments at Arc Revo 2015.
Arc Revo this year features Guilty Gear Xrd -SIGN- and BlazBlue Chronophantasma Extend as main tournaments. Persona 4 Arena Ultimax Version 2.0 and Under Night In-Birth Exe:Late[st] are also featured as side tournaments.
Well given the ending of CF that put your doubts to rest dude. Besides we would have new heroes and villains with some returning characters. YOur thoughts on this matter isn't necessary. Mori himself said that Blazblue franchise isn't over.