The summoner name or tag is incorrect
snakebash #1869
SILVER III
-
Match History for Patch: 16.9.1
-
Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 15
144,265
lvl: 13
119,912
lvl: 10
86,493
lvl: 9
73,566
lvl: 8
63,945
lvl: 7
47,317
lvl: 6
42,036
lvl: 6
38,650
lvl: 6
38,559
lvl: 6
36,594
lvl: 6
35,344
lvl: 6
35,048