In August 2016, he attended the ""League of Legends" Pro League 5th Anniversary" in China, which included the Regional Final with four Chinese teams competing for a spot in the World Championship. He also competed in a Korea vs. China celebrity showmatch in commemoration. On October 9, he appeared on OnGameNet as a special commentator for the "LoL World Championship". In November 2016, Heechul began participating in S.M. Entertainment's League of Legends tournament "2016 S.M. Super Celeb League", where he and labelmate Baekhyun played the game with both professional players and fans from South Korea and China.