Thangrul II

 is the duergar ruler of Emberhold, a duergar stronghold in the Underdark.

Personality
Thangrul was known to become particularly angry whenever anyone mentioned the name of King Murghol and Queen Ulara's lost heir. As king, Thangrul "rules through fear and conquest" and is described as "wrathful".

Background
After the deaths of King Murghol and Queen Ulara in 810 PD, and with the existence of a lost heir only a rumor, the surviving Emberhold court rebuilt their heirarchy using Thangrul and his bloodline, readying the lesser war-duke to be crowned as the new king of the duergar in 812.

Thangrul was crowned King Thangrul II between 812 and 836 PD. Among his court are a group of drow from Ruhn-Shak, who are mistrusted by his other advisors.