

Raise the mastery level of a champion you own. Pick the champion and the target level.
Optional. With no role picked, your booster plays any role.
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Pick a booster and the order is reserved for them; no extra charge unless their card says so.






Champion mastery shows how much you have played a champion, and higher levels unlock new crests and recognition in the client. With a mastery boost, you search the list for a champion you own, choose your current and target mastery level, and a booster plays that champion until the level lands.
Levels 1 to 9 each have their own price, rising with the mastery points they need. From level 10 onwards every level costs the same. You can pick the role your booster plays, speed the order up, or watch it live.
Mastery no longer stops at level 7: levels keep going well past 10, and every one of them adds to your champion's total and to how your profile looks to teammates in champion select. A high mastery level on a main is the quickest way to show you know the pick.
Your booster plays only the champion you named, so your champion stats stay consistent. Games are normals unless you allow ranked in your order notes, so your rank isn't touched by default. You need to own the champion: boosters never buy champions or anything else on your account. Your login is encrypted and deleted when the order ends.
Boosting is against Riot Games' Terms of Service, so no site can promise zero risk. What we can do is remove the signals that get accounts noticed: no double logins, no sudden jumps in activity, no unusual connections and no chat.
It depends on the levels: the first few mastery levels come quickly, higher ones need many more points per level. Mastery points show live in your dashboard. For several champions, place one order per champion, so each one is tracked on its own.
Mastery on a main pairs well with a rank to match: a Division Boost with OTP Plus keeps your booster on that one champion. To learn the champion yourself, book a coach who plays it.