How do I get demonology hidden artifact?
How do you get the Warlock hidden artifact? Hidden Artifact Appearance
To get this appearance you will have to kill Eredar on the Broken Isles and Argus. The items will drop in this order: Damaged Eredar Head, Deformed Eredar Head, Malformed Eredar Head, Deficient Eredar Head, Nearly Satisfactory Eredar Head and Visage of the First Wakener.
How do you get warlock artifact weapon?
How do you get the feral druid artifact weapon? Feral Druid Classic Artifact Form Skin
Feral Druid Classic Artifact Cat Form appearance is unlocked by completing the introductory Legion quest chain. To unlock the first tint of Fangs of Ashamane Cat Form you will need to recover one Pillar of Creation by completing a quest chain in one of the Legion quest zones.