The summoner name or tag is incorrect
bear #015
SILVER I
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Match History for Patch: 16.4.1
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Champion Stats for Patch: 16.4.1
Champion Mastery
lvl: 38
392,042
lvl: 21
204,844
lvl: 14
140,327
lvl: 14
120,144
lvl: 13
114,091
lvl: 12
108,276
lvl: 12
107,952
lvl: 12
106,607
lvl: 8
60,774
lvl: 8
59,161
lvl: 7
51,844
lvl: 7
50,690