The summoner name or tag is incorrect
chinchillin #123
BRONZE 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: 8
60,602
lvl: 7
44,927
lvl: 6
36,997
lvl: 5
28,718
lvl: 5
24,099
lvl: 5
23,842
lvl: 5
22,348
lvl: 4
15,913
lvl: 4
15,832
lvl: 4
15,014
lvl: 4
14,906
lvl: 4
13,254