The summoner name or tag is incorrect
firez #na01
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: 7
49,483
lvl: 7
47,026
lvl: 5
24,645
lvl: 5
24,174
lvl: 5
22,029
lvl: 4
13,168
lvl: 3
9,509
lvl: 3
8,972
lvl: 3
7,683
lvl: 3
6,463
lvl: 2
5,439
lvl: 2
5,319