Updated with official trailer and website link
Cygames just wrapped up day one of the Granblue Fantasy Fes 2018.
Aside from revealing more about the upcoming action game Granblue Fantasy Re:Link, Arc System Works and Cygames revealed Granblue Fantasy Versus. This is a fighter developed by Arc System Works based on Granblue Fantasy. It looks great as is expected from Arc System Works at this point. Watch the trailer from the stream (low quality) below:
Granblue Fantasy Versus releases in 2019 for PS4 in Japan. The official English website is now live here.