The exact recording behind this clip is unknown, but the 'are you ready' shout is a staple of sports and combat entertainment, echoing the catchphrases of wrestling announcers and arena MCs. Versions of the line circulate widely as ringtones, intro stingers and meme audio on soundboards and short-form video apps. Its staying power comes from pure function: three simple words that instantly frame whatever follows as an event. Creators keep reaching for it because crowds, players and viewers all know how to answer.