User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-2014385-20131003184128/@comment-2014385-20131003192920

@Fondrive, it happens on the Unknown Sea of Trees. You can launch an all-out attack on a Kirin which seems to appear every Blue Moon, in the hopes of killing it, just to see him exit the area and NEVER find him again during the quest.