"We're gonna have some fun here," Beeftipsy said, spraying his tag on the ground of Overwatch's Oasis map, the Overwatch equivalent of cracking one's knuckles.

It was the first day of the Twitch streamer's "Bronze to Grandmaster challenge," a trendy stunt in which master players who want to flex their competitive muscle live for fans take a single hero from the lowest to the second-highest rank as quickly as possible -- sometimes bending the rules to do so.