BUG][DOCS] `champion-mastery-v4.getChampionMasteryByPUUID` lists `championId` parameter as `string`, should be `long` · Issue #810 · RiotGames/developer-relations · GitHub
Champion Mastery | Ninjamask Wiki | Fandom
Champion Mastery Points bug? : r/wildrift
TFT - 9 - Weekly Portal Mastery #bug - YouTube
Champion Mastery | League of Legends Wiki | Fandom
Incorrect timestamps for lastPlayTime field in the champion mastery API · Issue #15 · RiotGames/developer-relations · GitHub
Bug Found: Can't Earn Mastery Points when Champion is Included in Weekly Free Rotation. : r/wildrift
A LoL Patch 13.9 bug fix accidentally broke this champion - Dot Esports
Bug Found: Can't Earn Mastery Points when Champion is Included in Weekly Free Rotation. : r/wildrift
Champion Mastery - a statistical analysis of 1M+ games : r/leagueoflegends
Champion Mastery V4 / by-summoner/{encryptedSummonerId}/by-champion/{championId} Displays incorrect summoner ID · Issue #46 · RiotGames/developer-relations · GitHub
WATCH OUT! Masteries are Bugged If You Do This! | Marvel Contest of Champions - YouTube
Courage and Assassin Masteries ( Possibly Attack Masteries in General ) Are Bugged — Marvel Contest of Champions
Why can't we no longer see champions mastery in loading screen? : r/leagueoflegends
Champion Mastery - a statistical analysis of 1M+ games : r/leagueoflegends
Champion Mastery | League of Legends Wiki | Fandom
Champion Mastery - a statistical analysis of 1M+ games : r/leagueoflegends
Riot has destroyed all my progress and milestones : r/leagueoflegends
CHAMPION MASTERY BUG! Hotfix Update for Masteries not Working League of Legends | Season 12 - YouTube
Champion Mastery | League of Legends Wiki | Fandom
Bug Found: Can't Earn Mastery Points when Champion is Included in Weekly Free Rotation. : r/wildrift
3D file M7 Champion Mastery - League of Legends・3D printable design to download・Cults
3D file M6 Champion Mastery - League of Legends・3D printing design to download・Cults
Şampiyon Bilgi | League of Legends Wikia | Fandom
Surrender at 20: Red Post Collection: Champion Mastery, SRU Beta comes to a close, FIxing Quinn bugs in 5.6, and much more!
New hextech chest bug - YouTube
Surrender at 20: Red Post Collection: Champion Mastery, SRU Beta comes to a close, FIxing Quinn bugs in 5.6, and much more!
