User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-7584137-20130723100932/@comment-8874090-20130723133221

I haven't done it in Ultimate, but I've completed the gold ian and silver los in the arena G rank quest. Just spam those flash bombs and try to blind them both at once, then focus on one. Once you kill one, the rest is not too hard.