If we were to simulate someone or a monster roaring and deafening or frightening the assembled:
"By My Voice, Knockdown 10" which might be resisted by Unfazeable, for example.
Or to be truly vile:
"By My Voice, Quick Stun"
Omega 377th Reef Marines
Lance Corporal
"Here's to women, whiskey, and war..."
-The Whiskey Bards