The summoner name or tag is incorrect
dynamicdbot #na1
SILVER II
-
Match History for Patch: 16.9.1
-
Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 57
638,190
lvl: 8
61,114
lvl: 7
51,520
lvl: 7
46,100
lvl: 7
45,615
lvl: 7
44,627
lvl: 6
37,648
lvl: 6
35,451
lvl: 6
35,117
lvl: 5
37,474
lvl: 5
33,368
lvl: 5
31,102