The summoner name or tag is incorrect
device #1621
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
50,114
lvl: 7
47,116
lvl: 7
42,964
lvl: 6
41,720
lvl: 6
35,945
lvl: 5
29,386
lvl: 5
28,210
lvl: 5
25,421
lvl: 5
25,208
lvl: 4
20,441
lvl: 4
20,073
lvl: 4
19,564