Unaware of their own peril, the goblin-sappers of Gundabad keep highly-explosive barrels of black-fire in the trenches around Zudramdân.
As you continue in your efforts to aid the Gabil'akkâ, you have discovered a number of exposed barrels of black-fire kept in the Orkish trenches around Zudramdân.
The black powder in these barrels must be the supply from which the goblin-sappers craft their terrible explosives for use against the Gabil'akkâ.
You should ignite the barrels of black-fire and destroy them.
Barrels of black-fire can be found in Orkish trenches in the War of Three Peaks.
You have discovered barrels of black-fire used by the Orcs of Gundabad. You should ignite their barrels and sow chaos among the ranks of their forces before these explosives can be used against the dwarves of the Gabil'akkâ.
Reithvald Red-ember can be found at Ifbar-athrâkh.
You have ignited and destroyed many barrels of black-fire in the Orkish trenches around Zudramdân. You should report news of your success to Reithvald Red-ember.