Karthus
the Deathsinger
Floor Winrate
Winrate when <5000 mastery
41.78 %
Ceiling Winrate
Winrate when > the ceiling mastery
50.21 %
Ceiling Mastery
Mastery at which winrate stops increasing
5,426
Winrate Delta
Difference between Ceiling and Floor winrates
8.44 %
Sample Size
Number of games used to calculate these metrics
9,046