The summoner name or tag is incorrect
deci #miku
BRONZE I
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Match History for Patch: 16.9.1
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Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 16
144,146
lvl: 14
127,376
lvl: 13
115,916
lvl: 12
101,507
lvl: 10
75,767
lvl: 8
54,233
lvl: 7
52,467
lvl: 7
48,582
lvl: 7
48,253
lvl: 7
46,853
lvl: 6
38,722
lvl: 6
35,250