The summoner name or tag is incorrect
exist #216
SILVER III
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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
75,813
lvl: 6
40,021
lvl: 6
32,921
lvl: 5
29,645
lvl: 3
6,453
lvl: 2
3,769
lvl: 2
3,662
lvl: 2
3,047
lvl: 1
641
lvl: 1
460
lvl: 1
149