User blog comment:Raababukk/Possible New Power ups for Issei Hyoudou/@comment-1359322-20131024073243/@comment-1359322-20131229154309

I think Ryuuteimaru would fill that role better than Great Red.

Who knows, we can only wait till Volume 17 is release to see Issei's new move. Actually since it's a move i guess it's unrelated to the Boosted Gear. Maybe a new version of the Dragon Shot.