The summoner name or tag is incorrect
beaton #2000
EMERALD IV
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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: 13
113,567
lvl: 12
99,450
lvl: 12
114,668
lvl: 10
76,095
lvl: 9
66,543
lvl: 8
61,133
lvl: 8
59,918
lvl: 8
57,661
lvl: 8
54,979
lvl: 8
53,616
lvl: 7
50,684
lvl: 7
49,585