Champion Mastery in Wild Rift – Wild Rift Beta Support
Finally hit max champion level, it seems like you can keep increasing your champion level beyond 372. You'll earn points which doesn't really do anything. : r/PlayAvengers
Teamfight Tactics (TFT): champion pool size and draw chances in Set 9 | Esports Tales
Guide to The Path of Champions – Legends of Runeterra Support
Riot add super-powerful 'Level 4' champions on Teamfight Tactics PBE - Dexerto