Lol Status on Twitter: "We are aware of an issue where Champion Mastery is not displaying correctly and are working on a fix. https://t.co/2TuwdzEUqG" / Twitter
Mastery System: Riot dev reveals more plans for the future - Not A Gamer
Surrender at 20: Red Post Collection: Champion Mastery, SRU Beta comes to a close, FIxing Quinn bugs in 5.6, and much more!
Champion Mastery | Ninjamask Wiki | Fandom
Why can't we no longer see champions mastery in loading screen? : r/leagueoflegends
Why can't we no longer see champions mastery in loading screen? : r/leagueoflegends