The summoner name or tag is incorrect
snow #nat
BRONZE IV
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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: 19
182,389
lvl: 11
95,111
lvl: 10
77,851
lvl: 9
71,522
lvl: 8
62,314
lvl: 8
56,376
lvl: 7
43,842
lvl: 5
25,657
lvl: 5
23,907
lvl: 5
22,811
lvl: 4
20,978
lvl: 4
20,901