Artefato: Placa Escura do Imaterial

It's only 5 Ancient Guardians nowadays

Complete the following to improve your Void Darkplate


Defeat Isabella in the Tempest's Heart (Expedition)
To unlock the Empty Socket.

Defeat 30 Ancient Guardian at Saircor Bridge
To unlock Enchanted Ward.

Defeat 30 Armored Drake in Elysian Wilds
To unlock Physical Aversion.

Upgrade this item at the Gypsum Kiln
To see which perks can be applied, check out the "Perk Bucket" Tab in the Void Darkplate article.