The summoner name or tag is incorrect
summonerofmyth #00001
GOLD I
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Match History for Patch: 16.10.1
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Champion Stats for Patch: 16.10.1
Champion Mastery
lvl: 12
107,151
lvl: 10
84,877
lvl: 10
83,211
lvl: 10
83,113
lvl: 10
80,539
lvl: 10
80,094
lvl: 10
78,458
lvl: 10
76,965
lvl: 9
72,470
lvl: 8
72,785
lvl: 8
62,697
lvl: 8
59,139