all caps
wrestler: I AM THE ONE AND ONLY, THE GREATEST WRESTLER IN THE LEAGUE. NO ONE CAN DEFEAT ME. I AM ACHILLES!!!
*the crowd erupts into cheers. but suddenly:*
unseen wrestler: ARE YOU SURE ABOUT THAT?
*as the other wrestler steps out into the light, the crowd immediately gasps in fear and recognition, and begins to boo*
announcer: oh, no! it’s Achilles’s Heel!