The summoner name or tag is incorrect
chieftsu #na1
SILVER IV
-
Match History for Patch: 16.9.1
-
Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 14
124,481
lvl: 11
89,083
lvl: 9
65,797
lvl: 8
64,317
lvl: 8
58,090
lvl: 8
55,433
lvl: 7
52,510
lvl: 7
45,028
lvl: 7
42,998
lvl: 6
31,825
lvl: 5
31,138
lvl: 5
29,962