The summoner name or tag is incorrect
spenser #0000
SILVER I
-
Match History for Patch: 16.4.1
-
Champion Stats for Patch: 16.4.1
Champion Mastery
lvl: 55
600,627
lvl: 13
146,517
lvl: 12
126,523
lvl: 10
105,411
lvl: 10
102,793
lvl: 9
92,593
lvl: 8
60,893
lvl: 7
58,395
lvl: 7
56,616
lvl: 7
53,213
lvl: 7
47,518
lvl: 7
45,007