From Neverwinter Wiki
The Abyssal Residuum is one of the six items in the Underdark Curiosities Collection.
A resource used in Black Ice Shaping tasks. Can be found in Demonic Chests in the Throne of the Dwarven Gods and the Prophecy of Madness.
Magical residue left behind by abyssal magic, this particular sample has absorbed trace amounts of faerzress.
Black Ice Shaping
No Level Requirement