The summoner name or tag is incorrect
kade #000
PLATINUM 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: 31
342,919
lvl: 26
303,773
lvl: 23
228,024
lvl: 21
228,161
lvl: 18
212,393
lvl: 17
155,203
lvl: 13
164,040
lvl: 13
117,931
lvl: 12
99,676
lvl: 12
153,556
lvl: 12
136,606
lvl: 11
89,479