Build element is fire.
Staff(with Twister):Maelstorm
Arc,AS[C],Wp DMG[L],ECD,Master
Skull(with Shatter):Plagued
Plagued+,Nova,Block[C],Wp DMG,ECD
Chest:Aftermath
AM+,IR,ECD,Armor[C],Orb Proc
Head:Mayhem
Energy,ECD,Dodge[C],Storm Proc,Master
Ring:Maelstorm
CDR[C],ECD,Meteor Proc,ECC,Elixir
Amulet:Reactor
ED[L],ECD,All Resist[C],Sanctuary,Elixir
Pet:Inferno
CDR,Meteor,Storm,Orb,Twister
6 Evasion Nature
Necrotic,Amplify,Bewilder,Fester/Empower
98 HP.
20 Orb,20 Meteor,20 Storm,20 Twister,20 SS
Set bonuses can trigger without 2nd Set Affix on arena.If u have a Set Affix need to 3 pieces then u can trigger it with 2 pieces.
Good Luck 