The summoner name or tag is incorrect
mythscim #0207
IRON 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: 14
124,584
lvl: 10
80,777
lvl: 7
50,603
lvl: 7
44,093
lvl: 7
44,006
lvl: 6
42,486
lvl: 6
42,047
lvl: 6
41,666
lvl: 6
37,264
lvl: 6
37,061
lvl: 5
31,150
lvl: 5
31,039