LOL Champion Mastery
- Champion mastery boost is a new service that we introduced when the system went live on the LOL servers.
- The champion mastery system basically evaluates your game with the specific champion you play each game. The player receives grades on a scale from D to S depending on his in-game performance. The system is smart so it can make difference between the roles in the game
- BoostingAZ is the cheapest & most professional place that help you to level up your champions mastery.
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