User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-4820236-20120402021548/@comment-1837917-20120402021921

1. lol you might as well be asking how can any weapon go through a monster without them even flinching? (Except after several strikes when proper flinching occurs).

2. My guess would be flares, or some kind of horn, the game simply portrays it as a beeping signal.