The summoner name or tag is incorrect
enemy #3811
SILVER 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: 22
227,563
lvl: 20
229,710
lvl: 18
215,086
lvl: 14
176,749
lvl: 13
141,868
lvl: 12
119,581
lvl: 12
109,300
lvl: 11
93,467
lvl: 11
93,282
lvl: 11
136,944
lvl: 10
99,814
lvl: 9
95,009