User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-11537809-20130924182356/@comment-11537809-20130924191328

@Arc This isn't exactly an arena, this is where you originally fight  Shagaru Magara (Google Translate calls it "Confinement Area"). They probably got a Goa and bred it, I HIGHLY doubt they were able to catch it as an adult.