Heimerdinger
the Revered Inventor
            
                
                    
                        Floor Winrate
                        Winrate when <5000 mastery
                    
                    
                        43.98 %
                    
                
                
                    
                        Ceiling Winrate
                        Winrate when > the ceiling mastery
                    
                    
                        53.81 %
                    
                
                
                    
                        Ceiling Mastery
                        Mastery at which winrate stops increasing
                    
                    
                        47,382
                    
                
                
                    
                        Winrate Delta
                        Difference between Ceiling and Floor winrates
                    
                    
                        9.83 %
                    
                
                
                    
                        Sample Size
                        Number of games used to calculate these metrics
                    
                    
                        10,608