User blog comment:Lord Loss/Monster Appreciation Day: Rajang/@comment-1653324-20120303100652/@comment-1011548-20120303101349

There is a very valid case to be made that Simultaneous HR9 Golden Rajang in the Arena is the hardest Quest in main-series Monster Hunter (assuming you don't Smoke Bomb it). I've never been able to beat it, certainly.

inb4 a vet comes in with 'every single quest in MH/MHF was harder'.