Karthus
the Deathsinger
Floor Winrate
Winrate when <5000 mastery
41.53 %
Ceiling Winrate
Winrate when > the ceiling mastery
50.16 %
Ceiling Mastery
Mastery at which winrate stops increasing
16,786
Winrate Delta
Difference between Ceiling and Floor winrates
8.64 %
Sample Size
Number of games used to calculate these metrics
11,236