So in the end... I did vaal it again : r/pathofexile
Gameplay Help and Discussion - Rare Monster with Blue-ish Ring-like AoE - Forum - Path of Exile
Check out the improved Vaal Caress unique gloves! : r/pathofexile
Vaal Mask - Path of Exile Wiki
Path of Exile on Twitter: "The Vaal Reliquary Key can drop from anywhere in Path of Exile. Use it to open a portal to an ancient vault which contains a special foil