The summoner name or tag is incorrect
offstatt #13654
IRON I
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Match History for Patch: 16.9.1
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Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 13
113,531
lvl: 7
48,169
lvl: 5
29,822
lvl: 5
28,463
lvl: 5
26,868
lvl: 4
20,877
lvl: 4
17,964
lvl: 4
17,338
lvl: 4
16,924
lvl: 4
15,157
lvl: 4
12,693
lvl: 3
7,885