User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-87.29.126.196-20111218115041/@comment-76.69.7.125-20111218204933

Nobody's finished the game already. Remember, after beating Guran the Hunter Rank system changes. Monsters may still be unlocked at ranks higher than 9. That's probably why we haven't seen Rare Lagi or any secret final boss.