Arena affix cap list 
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Atk Speed Cap: 24
Multi Attack Cap: 2
Crit Cap: 24
CritDmg Cap: 140
Mana Regen Cap: 12000
Mana On Hit Cap: 800
Health Regen Cap: 12000
Health On Hit Cap: 800
Gold Find Cap: 260
Magic Find Cap: 260
Extra Attack Cap: 2
Dodge Cap: 24
Block Cap: 24
Glasscannon Cap: 40
AoE Range Cap: 8
Explode Cap: 800
ManaAbsorb Cap: 16
All Skills Cap: 5
Elemental Critical Cap: 16
All Sets Cap: 2
Bleed Cap: 24
CrushingBlow Cap: 24
DeadlyStrike Cap: 24
ElementalWeaken Cap: 24
Life Percent Cap: 80
CD Percent Cap: 24
Mana Percent Cap: 80
All Talent Boost Cap: 5
Clearcast Cap: 24
Reduced Cost Cap: 24
All Proc Cap: 8
Piercing Cap: 24
Mana Leech Cap: 2
Health Leech Cap: 2