The summoner name or tag is incorrect
package405 #na1
BRONZE 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: 28
277,985
lvl: 24
277,143
lvl: 24
262,442
lvl: 21
219,111
lvl: 13
163,028
lvl: 12
145,257
lvl: 11
94,890
lvl: 11
128,304
lvl: 10
90,628
lvl: 10
78,694
lvl: 9
84,169
lvl: 9
72,978