Editing Duergar (section)

==Psychology==
Everybody's heard the stereotype of dwarves as cheerless, joyless workaholics who do nothing except toil without stop from rest period to rest period... well, duergar are basically those stereotypes come to life. Left blank beyond their society being "harsher" in comparison to other dwarves, it wasn't until 3e's Expanded Psionics(!) Handbook that duergar personalities were expanded upon. Here, it was stated that duergar are basically all of the dwarven flaws (or at least negative stereotypes) with few of their redeeming traits. 

Duergar are avaricious, short-tempered, sullen, violent and ungrateful. Vengeful buggers, duergar nurse grudges for a lifetime, never ceasing in counting the slights they've received (real or imagined). Their standard belief is that might makes right, which comes easily to a race so churlish, hateful, envious and merciless.

That isn't to say they're entirely irredeemable... just that they are, without a doubt, the nastiest and most spiteful branch of the dwarven family tree. Duergar are courageous, determined, and believe in minding their own business (unless you have something they want) and working hard. No obstacle daunts a gray dwarf who's settled on a goal - they're not very loyal to anyone other than themselves, but they will '''never''' leave a job half-done.

"Ecology of the Duergar" states that most of the duergar's negative traits are culturally enforced by their worship of [[Laduguer]], whose theocracy dominates their culture. This article, at the least, also states they have a strong, religion-mandated utilitarian mindset; beauty and ornamentation are described as "wasteful" to a duergar.

5e mostly supports this interpretation, noting that they are dour, pessimistic, untrusting creatures, always toiling and complaining, who have lost the memory of what it means to be happy or proud.