championsmastery.lol is an independent web application that aggregates mastery data from the Riot Games API for League of Legends players. Contact: olivierdeschenes9@gmail.com
An independent site for viewing champion mastery statistics.
Riot API responses (raw match and profile data) when you request information for specific summoners. We do not store personal user data, cookies, or analytics.
To generate cumulative champion‑mastery views and to diagnose/correct service issues.
Mastery statistics are visible to anyone with the relevant account identifiers. Submit only accounts you are comfortable sharing.
Stored Riot API responses are kept until replaced by newer data or removed during routine maintenance.
Industry‑standard measures are used to protect stored data, but no online service can guarantee absolute security.
We do not hold personal data about you, so typical access or deletion requests generally do not apply. For concerns, email the address above.
We may update this Privacy Policy. Continued use of the site after an update signifies acceptance.
This policy is governed by the laws of Quebec, Canada.