Arcane (titled onscreen as Arcane: League of Legends) is a 2021 adult animated streaming television series. It is set in the League of Legends universe. The series was announced at the League of Legends tenth anniversary celebration. It was produced by French animation studio Fortiche under the supervision of Riot Games. Set in the past relative to the League of Legends universe, Arcane serves as a prequel to the game and retells the origin stories of several characters from Piltover and Zaun. Like the game which it is based on, Arcane is aimed at a "16+" audience. Many news outlets have also noted that the show appeals to both casual viewers who have never played League and to longtime fans of the game.The series has received critical acclaim from critics, who praised the blend of hand-drawn and CGI animation as well as the story, world-building, characters and voice acting. It also set the record as Netflix's best-rated show so far within a week of its premiere and ranked number one on the Netflix Top 10 chart in 52 countries as well as reaching number two in the United States. On November 20, 2021, following the conclusion of Arcane's first season, Riot Games and Netflix announced that a second season was in production for a post-2022 release.