The summoner name or tag is incorrect
thinmint #0003
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: 18
171,246
lvl: 13
113,859
lvl: 10
81,106
lvl: 9
80,467
lvl: 8
61,496
lvl: 8
55,374
lvl: 7
49,061
lvl: 6
41,287
lvl: 6
40,103
lvl: 6
35,356
lvl: 6
33,813
lvl: 5
28,574