User blog comment:Kogath/Monster Hunter X Discussion/@comment-26421638-20150716122159/@comment-12122659-20150718024611

In the trailer you can see the CB hit Brachy, I couldn't see any fire effects, and all agnaktor weapons have the fire element would be strange if it didn't. So I assume it is a gypceros CB, and who knows it may upgrade into an Agnaktor CB.