![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 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](https://preview.redd.it/the-one-champion-card-we-get-for-the-mastery-is-completely-v0-0djfy0j05id91.jpg?width=640&crop=smart&auto=webp&s=b686ae032550d1f7661d29fde515a103cc8edb69)
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
![NickyBoi on X: "Let's do a funny thing, organize all the champions in League by how much mastery you have on them. How diverse is your champ pool? Here's mine https://t.co/2MLR5JKqRL" / NickyBoi on X: "Let's do a funny thing, organize all the champions in League by how much mastery you have on them. How diverse is your champ pool? Here's mine https://t.co/2MLR5JKqRL" /](https://pbs.twimg.com/media/FbMg4RZWIAI7joY.jpg:large)
NickyBoi on X: "Let's do a funny thing, organize all the champions in League by how much mastery you have on them. How diverse is your champ pool? Here's mine https://t.co/2MLR5JKqRL" /
![League of Legends - Mastery Guide // Champion Points farming, and how you can get a S+ in every Game - YouTube League of Legends - Mastery Guide // Champion Points farming, and how you can get a S+ in every Game - YouTube](https://i.ytimg.com/vi/3IvES0h1pnM/maxresdefault.jpg)