User blog comment:Kogath/Monster Hunter X Discussion/@comment-3298463-20151129021132/@comment-25275196-20151129032455

Unless low rank has seven levels of difficulty, that was a high rank quest. Meaning that maybe Osutogaroa is the final boss as well as the high rank urgent, and the different phases of the fight are done in the different ranks.

Also, that face is ugly as heck.