User blog comment:Servant of Evillious/The Muzzle of Nemesis Booklet/@comment-24324030-20140831184208/@comment-6192846-20140831184908

No. It doesn't mean anything like that. The Muzzle of Nemesis is the wrath song. End of story. Has the [Ira] tag and been advertised as such for weeks before and after its release.

This is simply a continuation of the story after the events of the song, like everything else in this series.