User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-10613301-20130831192905/@comment-6050823-20130831221535

@Black-hun- Goa Magara did walk in the trap and was stunned in it.

http://www.youtube.com/watch?v=Hi4q5xAu41E 0:35 You see the trap glowing on the ground before Goa Magara jumps back and stuns it. The HH person wasn't hitting it until it went in the trap.