User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-21371438-20140131070342/@comment-6050823-20140201003927

In simple terms, the 'Powerhouse Monster" is a monster with extreme power, anger, and aggression. Each one of them are nomadic in a way and all of them only have variants, though these variants don't change their name on quest. The main thing known about them is that they don't have Subspecies.