Relic appears with 1, 2 or 3 Elemental Resistances [Non-Elemental, Incendiary, Shock, Corrosive, Explosive]
Relic appears with 1 or 2 Shield Bonuses [Capacity, Recharge Rate]
Maximum of 4 effects.
Like most Legendary Artifacts the Skin of the Ancients has one random Variable Ability out of these 4 Categories.
The Skin of the Ancients is not a Standard Legendary Artifact.
It doesn't have a Variable Ability like most Legendary Artifacts.