User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 1/@comment-1011548-20110415065102/@comment-3426677-20110415223758

Those were my exact thoughts, Artemis. You can swap back between HR and SR at any time, but you can only use some of the new weapon moves on SR and unlock another weapon move at SR100. Minegarde has a pretty good SR/HC so you understand the whole thing. http://forums.minegarde.com/topic/315-book-of-secrets-and-hard-core-quests/