The summoner name or tag is incorrect
MASTER 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: 33
331,416
lvl: 32
321,366
lvl: 21
205,088
lvl: 13
117,943
lvl: 13
115,174
lvl: 13
112,884
lvl: 12
99,595
lvl: 11
96,226
lvl: 10
83,407
lvl: 10
81,773
lvl: 9
65,555
lvl: 8
57,254