User blog comment:Kogath/Monster Hunter XX Discussion/@comment-6050823-20170201124240/@comment-5167887-20170201184605

From what i can gather so far from the video, it seems that it is popping its bubbles that sends it into rage mode.

Otherwise, i'm not disappointed in that deviant! It has some cool new moves, including a Zinogre back slam and a straightforward plesioth water beam!