Ctrl+3 is dance.
Ctrl+1-6, try pressing all of them,?Ctrl+1 is Joke, Ctrl+2 is Taunt, Ctrl+3 is Dance, Ctrl+4 is Laugh, Ctrl+5 is Juggle, and Ctrl+6 is Achievement and Battle Team Icon.
League of Legends (LOL for short) is a hero vs. hero MOBA competitive online game developed by American Fist Games (Riot Games) and operated by Tencent Games Agency in mainland China.
The game has hundreds of personalized heroes, and has a ranking system, rune system and other characteristics of the development system.
League of Legends is also committed to promoting the development of e-sports around the world. In addition to developing professional leagues and building an e-sports system, the game also organizes the "Mid-Season Championship," "Global Finals" and "All Star All-Star Match" each year. In addition to linking the development of professional leagues in various regions to build an e-sports system, the company also organizes the "Mid-Season Championship", "Global Finals", and "All Star All-Star Game" three world-class tournaments every year, which have gained the hearts of hundreds of millions of players and formed its own unique e-sports culture.
Reference: Baidu Encyclopedia - League of Legends