Pestilent

Hey so I've seen alot of the 'pestilent' helms for all classes but anyone know how to get the armor for mage? Like in any crates or something? Or anyone selling?
The pic is the helm.https://uploads.tapatalk-cdn.com/202...f1f079e3b0.jpg

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They dropped in one of the Goblin events. From the Greater Hoarded Chests or whatever their name was. I think their max level only goes about 56 or 61. Maybe you could loot one from the locks too, if you can find them...