The summoner name or tag is incorrect
turbosniper #1983
IRON 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: 12
106,883
lvl: 11
90,113
lvl: 10
78,862
lvl: 8
57,340
lvl: 5
30,823
lvl: 5
24,517
lvl: 5
22,961
lvl: 4
20,115
lvl: 4
17,368
lvl: 4
14,896
lvl: 4
14,244
lvl: 4
14,227