User blog comment:Lord Loss/Discussion of the Week: Brute Wyverns/@comment-5963861-20130114000000/@comment-5963861-20130116011022

You misunderstand in the begining of the video the Brachydios is hit by the Agnaktor's heat beam. It was shoved by the beam into the area the felyne was. The beam hit the Brachydios head-on and besides forcing it backwards the beam pretty much had no effect.