Champion Mastery Counter is a free Chrome add-on developed by little.wranger92. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory.

This add-on adds a convenient column to your browser, making it effortless to keep track of your champion masteries. Whether you're a dedicated League of Legends player or simply enjoy collecting champion masteries, this tool is designed to make the counting process a breeze.

With Champion Mastery Counter, you can easily keep count of your champion masteries without the need for manual calculations or external spreadsheets. This add-on simplifies the process, allowing you to focus on your gameplay and achievements.

If you're looking for a convenient way to track your champion masteries, Champion Mastery Counter is a valuable tool to have in your arsenal.