The summoner name or tag is incorrect
herwordskill #2005
SILVER 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: 10
76,773
lvl: 3
9,413
lvl: 2
5,253
lvl: 2
3,696
lvl: 2
3,470
lvl: 2
2,549
lvl: 2
2,210
lvl: 2
1,873
lvl: 1
907
lvl: 1
902
lvl: 1
654
lvl: 1
1,503