The summoner name or tag is incorrect
dekahendrix #2702
IRON I
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Match History for Patch: 16.9.1
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Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 33
409,507
lvl: 31
314,810
lvl: 18
215,622
lvl: 13
158,047
lvl: 8
62,284
lvl: 6
52,039
lvl: 6
49,102
lvl: 6
47,107
lvl: 6
36,241
lvl: 6
33,196
lvl: 6
32,624
lvl: 6
27,385