The summoner name or tag is incorrect
luckie #002
IRON I
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Match History for Patch: 16.4.1
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Champion Stats for Patch: 16.4.1
Champion Mastery
lvl: 5
30,808
lvl: 4
17,112
lvl: 4
14,062
lvl: 3
9,518
lvl: 3
7,475
lvl: 3
7,387
lvl: 3
7,248
lvl: 3
12,293
lvl: 2
5,267
lvl: 2
4,760
lvl: 2
4,584
lvl: 2
4,390