PSA: Now that the new loading screen shows champion mastery, here's a friendly reminder that it tells you fuck all about the player's actual skill at the game : r/leagueoflegends
3D Printed league of legends champion mastery 7 banner by Eef Top | Pinshape
League of Legends Champion Mastery Level 6 and 7 Emotes — A How-To Guide - YouTube
ArtStation - M7 M6 M5 Champion Mastery League of Legends