... the moment when a hero walks up to a monster, and it roars into his face, possibly blowing his hair back with the force of the roar, and he is unaffected, perhaps even bored?
Topic on Forum:Trope Talk
This Index Is a Scream should do the job.
Sadly, no.
Yeah, I'm not seeing a trope. Though I seem to recall it happening in Bullwinkle. Mighty Roar comes closest.
V4E12 of RWBY has an instance, too. And it seems to be something that lives between Mighty Roar and Roar Before Beating.
Found it -- Gale Force Sound.