The summoner name or tag is incorrect
bramble #149
SILVER III
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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: 13
111,738
lvl: 10
79,607
lvl: 10
76,312
lvl: 9
73,585
lvl: 8
64,297
lvl: 8
64,215
lvl: 8
59,436
lvl: 6
42,416
lvl: 6
40,450
lvl: 6
40,079
lvl: 6
33,697
lvl: 6
31,844