Helldusk Armour
Legendary
Armour Class 21
Helldusk Armour: You are considered Proficient with this armour while wearing it.
Infernal Retribution: When you succeed a 
Saving Throw, the caster receives 
Burning for 3 turns.
Prime Aegis of Fire: You have Resistance to Fire damage and cannot be Burned. You take 3 less damage from all sources.
Defence: You gain a +1 bonus to 
Armour Class while wearing armour.
Fly
Bonus Action
Carixim, soul-stuffed forgemaster of hellish Avernus, hammers away ceaselessly at new creations. Questions of morality and destiny do not concern him. Conscience is for his betters. He works with cheer, his swollen skin moaning soothingly.
How to obtain
Act 3 Container Lower City
