The summoner name or tag is incorrect
nightingale #8033
BRONZE 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: 21
200,568
lvl: 12
97,947
lvl: 8
56,932
lvl: 8
55,818
lvl: 7
50,089
lvl: 6
38,858
lvl: 6
35,704
lvl: 5
28,646
lvl: 5
23,651
lvl: 5
22,055
lvl: 4
20,822
lvl: 4
16,773