The summoner name or tag is incorrect
blake #bla
EMERALD III
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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: 30
339,890
lvl: 17
153,541
lvl: 15
139,651
lvl: 14
134,354
lvl: 14
126,605
lvl: 14
126,342
lvl: 13
133,092
lvl: 12
103,373
lvl: 11
93,624
lvl: 11
92,693
lvl: 11
91,588
lvl: 10
77,969