User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-3405141-20120113200143/@comment-24.185.99.64-20120113201631

Why not use them, the weapons are brand new to the series. As I am progressing thru the game I would try and use all of the flagship monsters weopans.

I still have not see hunting horn or gunlance of the flagship monster, maybe they don't exist.