The summoner name or tag is incorrect
pumperbeamer #na0
SILVER III
-
Match History for Patch: 16.10.1
-
Champion Stats for Patch: 16.10.1
Champion Mastery
lvl: 21
223,975
lvl: 8
57,132
lvl: 8
54,798
lvl: 7
58,032
lvl: 7
49,501
lvl: 6
39,450
lvl: 6
30,258
lvl: 4
20,676
lvl: 4
19,349
lvl: 4
18,439
lvl: 4
14,646
lvl: 4
12,937