Welcome to LoL Win Curve

A League of Legends champion difficulty analysis tool.

Champion	Floor Winrate Winrate when <5000 mastery	Ceiling Winrate Winrate when > the ceiling mastery	Ceiling Mastery Mastery at which winrate stops increasing	Winrate Delta Difference between Ceiling and Floor winrates	Sample Size Number of games used to calculate these metrics
Shaco	37.34%	48.88%	35,069	11.54%	20,259
Dr. Mundo	46.32%	53.80%	24,491	7.47%	33,827
Sona	44.30%	53.20%	4,689	8.91%	13,117
Kassadin	42.59%	52.47%	60,107	9.88%	8,096
Irelia	45.73%	52.36%	63,954	6.63%	17,035
Janna	44.24%	51.00%	759	6.76%	15,207
Gangplank	38.66%	46.82%	12,319	8.16%	10,231
Corki	43.04%	51.12%	39,445	8.08%	19,791
Karma	42.41%	50.87%	13,136	8.47%	29,102
Taric	40.74%	55.43%	18,132	14.68%	8,389
Veigar	44.82%	53.11%	22,966	8.29%	25,614
Trundle	42.28%	52.12%	12,097	9.84%	22,058
Swain	43.55%	53.27%	41,622	9.71%	29,674
Caitlyn	43.77%	51.33%	75,198	7.56%	58,572
Blitzcrank	43.30%	50.23%	803	6.93%	17,552
Malphite	45.06%	52.42%	8,434	7.36%	38,281
Katarina	37.83%	47.29%	46,402	9.46%	9,620
Nocturne	45.34%	53.45%	21,213	8.10%	36,079
Maokai	43.55%	51.84%	55,073	8.29%	18,012
Renekton	40.82%	51.86%	48,001	11.04%	21,280
Jarvan IV	43.77%	52.05%	22,826	8.28%	28,955
Elise	40.94%	50.19%	7,792	9.24%	17,375
Orianna	42.86%	50.14%	23,342	7.29%	18,431
Wukong	44.18%	58.17%	88,330	13.99%	22,115
Brand	43.35%	52.21%	30,874	8.85%	26,564
Lee Sin	39.76%	46.86%	38,087	7.10%	19,134
Vayne	44.71%	52.59%	31,583	7.88%	31,915
Rumble	38.33%	51.48%	39,461	13.14%	9,465
Cassiopeia	45.43%	52.07%	1,129	6.64%	9,324
Skarner	33.47%	47.27%	8,572	13.81%	7,798
Heimerdinger	43.98%	53.81%	47,382	9.83%	10,608
Nasus	45.07%	52.88%	36,191	7.81%	22,790
Nidalee	35.64%	44.59%	24,143	8.95%	7,660
Udyr	40.18%	52.07%	28,772	11.89%	11,670
Poppy	41.86%	51.90%	39,267	10.04%	19,080
Gragas	40.58%	49.31%	30,578	8.73%	17,810
Pantheon	42.31%	52.00%	67,068	9.69%	45,881
Ezreal	40.86%	48.42%	60,024	7.57%	45,295
Mordekaiser	41.46%	54.28%	74,307	12.83%	37,128
Yorick	43.32%	54.75%	18,456	11.43%	39,661
Akali	42.20%	56.39%	95,344	14.19%	19,320
Kennen	41.54%	52.40%	17,217	10.86%	11,686
Garen	43.63%	52.31%	33,167	8.69%	43,858
Leona	43.83%	53.46%	67,520	9.63%	23,280
Malzahar	43.29%	52.66%	38,482	9.37%	36,224
Talon	40.03%	49.87%	11,756	9.84%	17,833
Riven	37.99%	49.26%	6,897	11.28%	13,570
Kog'Maw	42.32%	57.52%	91,093	15.20%	14,879
Shen	40.87%	53.87%	88,465	13.00%	20,020
Lux	42.87%	50.81%	26,335	7.93%	40,331
Xerath	44.88%	52.47%	63,693	7.59%	23,682
Shyvana	42.33%	52.32%	6,768	10.00%	10,488
Ahri	43.78%	52.35%	48,365	8.58%	43,622
Graves	41.90%	49.12%	1,074	7.22%	21,697
Fizz	43.77%	51.10%	48,784	7.33%	12,543
Volibear	42.18%	53.05%	48,098	10.87%	47,737
Rengar	34.93%	46.29%	6,642	11.36%	9,071
Varus	43.37%	49.79%	22,410	6.42%	32,059
Nautilus	41.23%	50.07%	19,618	8.84%	33,392
Viktor	43.88%	52.26%	22,396	8.39%	34,631
Sejuani	42.59%	50.16%	16,918	7.57%	13,223
Fiora	42.71%	50.89%	18,557	8.18%	13,624
Ziggs	44.78%	52.06%	18,874	7.28%	12,949
Annie	45.48%	53.12%	48,273	7.65%	15,573
Olaf	44.74%	53.22%	39,819	8.47%	9,678
Galio	44.00%	53.17%	7,928	9.17%	32,944
Twisted Fate	41.78%	52.44%	88,482	10.66%	14,930
Xin Zhao	47.01%	51.63%	638	4.62%	23,550
Urgot	42.09%	55.26%	55,936	13.17%	16,926
LeBlanc	39.82%	48.71%	15,216	8.89%	19,379
Vladimir	39.69%	52.10%	48,971	12.41%	24,401
Fiddlesticks	41.82%	56.33%	89,645	14.51%	19,642
Kayle	43.39%	53.93%	41,611	10.54%	32,451
Master Yi	41.11%	50.89%	8,160	9.78%	25,290
Alistar	43.28%	51.64%	55,707	8.36%	15,703
Ryze	43.95%	51.30%	46,306	7.35%	15,659
Sion	41.56%	51.50%	46,642	9.94%	31,136
Sivir	45.20%	51.65%	840	6.45%	24,922
Soraka	42.81%	52.34%	3,016	9.52%	16,555
Teemo	43.65%	55.60%	86,100	11.95%	28,964
Tristana	45.78%	51.26%	606	5.48%	48,337
Warwick	43.93%	55.15%	75,942	11.22%	32,848
Nunu & Willump	38.38%	53.51%	26,781	15.13%	16,682
Miss Fortune	45.93%	52.48%	1,040	6.55%	49,429
Ashe	42.09%	50.14%	37,015	8.05%	39,240
Tryndamere	40.92%	50.78%	10,096	9.86%	17,155
Jax	43.63%	49.61%	896	5.98%	25,559
Morgana	41.94%	52.39%	16,480	10.45%	25,207
Zilean	42.63%	50.67%	10,462	8.04%	9,950
Singed	38.40%	52.90%	28,969	14.51%	12,007
Evelynn	38.67%	47.95%	12,365	9.28%	7,359
Twitch	43.98%	58.20%	94,731	14.21%	28,216
Karthus	41.53%	50.16%	16,786	8.64%	11,236
Cho'Gath	42.84%	52.25%	18,567	9.41%	45,224
Amumu	42.43%	54.22%	46,442	11.79%	37,942
Rammus	42.85%	52.40%	8,032	9.55%	10,672
Anivia	39.58%	52.93%	33,917	13.35%	10,259
Lulu	43.34%	51.72%	8,668	8.38%	38,783
Draven	42.88%	49.07%	746	6.20%	15,772
Hecarim	40.91%	56.44%	95,459	15.54%	17,881
Kha'Zix	43.54%	48.83%	686	5.29%	15,251
Darius	42.87%	51.46%	30,643	8.59%	51,694
K'Sante	36.07%	47.73%	23,813	11.66%	11,412
Smolder	42.70%	52.10%	71,947	9.40%	38,954
Milio	47.12%	52.59%	689	5.47%	26,920
Hwei	40.93%	53.78%	67,977	12.85%	24,385
Naafiri	43.29%	54.95%	8,656	11.65%	45,509
Jayce	41.14%	47.86%	18,570	6.73%	15,424
Lissandra	43.27%	51.15%	8,824	7.88%	12,868
Diana	47.30%	52.99%	989	5.70%	45,412
Quinn	42.31%	53.50%	54,563	11.19%	15,223
Syndra	43.42%	54.25%	76,006	10.82%	25,292
Aurelion Sol	38.07%	52.64%	32,945	14.57%	13,730
Kayn	43.16%	52.03%	51,528	8.87%	41,614
Zoe	37.92%	48.93%	57,175	11.01%	8,483
Zyra	40.72%	51.80%	8,401	11.08%	20,230
Kai'Sa	44.57%	48.30%	1,068	3.73%	44,596
Seraphine	41.92%	51.80%	4,229	9.89%	18,902
Gnar	41.26%	49.29%	14,489	8.03%	12,244
Zac	39.63%	53.01%	65,816	13.38%	12,384
Yasuo	40.10%	49.78%	16,236	9.68%	28,507
Vel'Koz	40.42%	52.34%	3,203	11.92%	18,263
Taliyah	40.60%	50.37%	26,634	9.77%	10,641
Camille	43.83%	49.02%	10,486	5.18%	12,108
Akshan	38.81%	53.28%	69,150	14.47%	14,304
Bel'Veth	38.21%	51.25%	28,554	13.04%	8,447
Braum	43.91%	51.93%	3,933	8.02%	26,857
Jhin	43.45%	50.77%	44,006	7.32%	52,115
Kindred	43.90%	50.18%	896	6.28%	14,973
Zeri	40.87%	49.66%	3,180	8.79%	11,863
Jinx	45.70%	51.99%	50,546	6.29%	63,172
Tahm Kench	41.70%	51.64%	32,674	9.95%	24,055
Briar	39.00%	54.28%	53,030	15.29%	17,172
Viego	43.88%	52.66%	63,192	8.78%	38,957
Senna	42.22%	51.12%	24,474	8.89%	24,633
Lucian	45.20%	49.97%	719	4.78%	32,150
Zed	40.11%	48.11%	14,532	8.01%	20,796
Kled	38.07%	49.92%	2,585	11.85%	4,771
Ekko	44.41%	49.99%	0	5.58%	20,674
Qiyana	36.99%	45.98%	2,370	8.99%	7,249
Vi	40.60%	50.31%	20,132	9.71%	28,601
Aatrox	41.10%	50.01%	41,203	8.91%	18,972
Nami	44.52%	53.16%	3,732	8.64%	33,250
Azir	36.66%	50.00%	63,142	13.34%	10,247
Yuumi	34.99%	54.44%	79,352	19.45%	18,748
Samira	42.38%	52.28%	78,834	9.91%	15,988
Thresh	40.56%	51.30%	47,367	10.74%	30,870
Illaoi	41.36%	52.33%	38,671	10.97%	10,923
Rek'Sai	38.51%	49.54%	31,622	11.04%	3,467
Ivern	37.33%	50.95%	26,692	13.62%	7,325
Kalista	39.15%	46.35%	10,475	7.20%	6,172
Bard	41.06%	51.98%	54,620	10.92%	12,245
Rakan	42.90%	50.89%	32,094	7.99%	13,312
Xayah	44.68%	51.40%	43,361	6.72%	17,226
Ornn	40.56%	52.29%	13,542	11.73%	14,194
Sylas	43.89%	49.49%	891	5.61%	33,948
Neeko	40.30%	49.34%	1,237	9.04%	9,963
Aphelios	41.47%	49.99%	56,968	8.52%	16,687
Rell	41.29%	51.90%	25,491	10.61%	17,072
Pyke	39.67%	49.72%	34,780	10.05%	17,169
Vex	44.12%	51.02%	8,085	6.89%	14,652
Yone	43.21%	49.89%	55,625	6.69%	44,484
Ambessa	39.36%	53.98%	72,974	14.62%	23,428
Mel	41.25%	50.44%	15,864	9.19%	83,152
Sett	45.00%	52.46%	30,634	7.46%	29,354
Lillia	43.49%	51.78%	5,692	8.29%	25,560
Gwen	41.82%	52.28%	33,221	10.46%	39,542
Renata Glasc	43.85%	52.25%	19,983	8.39%	7,898
Aurora	39.59%	51.20%	8,054	11.61%	23,672
Nilah	44.66%	56.68%	73,096	12.02%	12,781