The summoner name or tag is incorrect
elite #9707
SILVER III
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Match History for Patch: 16.6.1
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Champion Stats for Patch: 16.6.1
Champion Mastery
lvl: 13
116,883
lvl: 12
102,134
lvl: 10
79,502
lvl: 9
70,816
lvl: 9
68,282
lvl: 9
66,627
lvl: 8
59,219
lvl: 7
52,791
lvl: 7
52,777
lvl: 7
51,511
lvl: 7
49,793
lvl: 7
48,873