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Who Has the Highest Mastery Score on a Single Champion?

CultureBar Chart RaceGlobal
2017-2026
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About This Chart

Data Visualization Method

  • Data: Cumulative single-champion mastery points per account, taken as observed values from public ranking snapshots rather than an official Riot leaderboard.
  • Period and area: Yearly snapshots from 2017 to 2026, combining major Riot regions such as KR, EUW, EUNE, NA, and RU.
  • Selection: Accounts with the highest cumulative mastery on a single champion. VN, TW, and TH were excluded because they entered public ranking data only after the 2023 SEA transition, and pre-2017 data used a different source depth.
  • Processing: Missing years after an account first appears are forward-filled with the last observed value. No interpolation or growth estimation was used. Accounts that changed nicknames were linked by server, champion, and score trajectory.
  • Chart form: An animated horizontal bar chart race along a yearly timeline. Bar length encodes cumulative mastery points, with a champion portrait beside each account.

Creator's Note

The goal was not to find who plays a champion best, but to place long-term dedication to a single champion on one comparable board. Over ten years, some accounts never moved on.

Two accounts pulled millions of points ahead of everyone else: a Heimerdinger account at 31,484,848points and an Ashe account at 26,321,823. The gap is striking, but the reading here is about persistence rather than ranking. A high total marks how long someone stayed, not how well they played.

Data Sources

Limitations

This is not an official Riot world ranking. It combines observed snapshots from public tracking sites, so it reflects the accounts those sites discovered and followed, not every account that exists.

Mastery points measure accumulated play on a champion — playtime, persistence, and per-game grades combined. They are not rank, win rate, or proof of who plays a champion best. You can read more about how champion mastery accrues. A high total means an account stayed on one champion for a long time, and nothing more than that.

Years before an account first appears are left blank, not counted as zero. After the first appearance, a year with no new snapshot keeps the last observed value as a conservative floor, so a flat bar means no newer reading was available, not that the account stopped. Account merges across nickname changes are high-confidence inferences from server, champion, and score trajectory, not confirmations from Riot's internal account IDs.