The summoner name or tag is incorrect
fdsafdsa #1477
IRON I
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Match History for Patch: 16.10.1
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Champion Stats for Patch: 16.10.1
Champion Mastery
lvl: 15
144,861
lvl: 14
130,472
lvl: 11
102,159
lvl: 11
101,915
lvl: 10
95,374
lvl: 9
70,819
lvl: 8
56,628
lvl: 7
52,638
lvl: 7
50,994
lvl: 7
47,353
lvl: 6
42,018
lvl: 6
41,787