The summoner name or tag is incorrect
artemiskey #na1
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: 36
363,252
lvl: 28
278,773
lvl: 13
150,460
lvl: 12
105,574
lvl: 10
86,315
lvl: 7
50,555
lvl: 7
48,023
lvl: 6
40,532
lvl: 5
30,586
lvl: 4
20,976
lvl: 4
18,053
lvl: 4
16,783