hit 10k takedowns and 800k mastery within 1 game of each other! : r/xayahmains
The highest champion mastery level I've ever seen. (higher than my previous post) : r/Paladins
The one champion card we get for the mastery is completely useless as the only way to upgrade champions after lvl 12 is by book of books : r/ClashRoyale
100k champion mastery points! woooo : r/leagueoflegends
Champion mastery 7 on all champions! (Ma5tery) : r/leagueoflegends
Completed: ALL 75 Champion Mastery @ 375 : r/LegendsOfRuneterra
1 million mastery! Damn it has been a long road, but worth it. Love this Champion <3 : r/singedmains
Finally got to 2 million mastery points! : r/ThreshMains
I completed "All champions level 7" challenge. Here's how it looks like. : r/leagueoflegends
Mastery Emote Upgrades : r/leagueoflegends
The Champion Mastery System seems to reward kills on support too much (Example included) : r/leagueoflegends
Champion mastery 7 on all champions! (Ma5tery) : r/leagueoflegends
I feel like the amount of mastery points you get after a game is WAY too dependent of winning : r/leagueoflegends
Lowest mastery 7 score yet, anyone out there have one as low? : r/leagueoflegends
Hit 1mil Akali at 420 champion mastery : r/akalimains
My first ever jungler to get Mastery 7 on. Feels good. Elise will always hold a special place in my champion pool. ❤️🕷 : r/Elisemains
Champion mastery 6 on all champions! : r/leagueoflegends
Champion mastery is coming to Legends of Runeterra! : r/LegendsOfRuneterra
Locked masteries : r/leagueoflegends
Question on Champion Mastery - End game screen : r/leagueoflegends
Most naut mastery points in this subreddit? : r/NautilusMains
This is by far the highest champion mastery I've seen... What are your high scores? : r/LegendsOfRuneterra
