According to Mama Diggs, it smells like the combined odors of sulfur and rotting corpses.
The stone is obtained from the cores of fallen Brimstone Destroyers as part of associated world quests, available for miners. The core of the infernal does not disappear immediately after mining it, allowing other players to mine it before the infernal respawns.
As an ingredient
As a quest objective
This item is an objective of the following quests:
- Patch 7.0.3 (2016-07-19): Added.