The tyrannical Duergar, also known as Gray Dwarves, dwell in fantastic Cities deep in The Underdark. Using ancient Dwarven knowledge and myriad slaves, they work tirelessly to expand their subterranean Kingdoms. Most Duergar (including females) are bald and have ashen gray skin. They wear drab clothing designed to blend in with stone, along with simple jewelry that reflects their severe and utilitarian demeanor.
Slaves To SlaversThe Duergar were once Dwarves, before their greed and endless delving beneath the earth brought them into contact with the Illithids (Mind Flayers). Held in captivity for generations by the Illithids, the Dwarves eventually won their independence with the aid of the evil God Laduguer. Slavery had forever changed them, however, darkening their spirits to make the Duergar as evil as the tyrants they had escaped. Despite winning their freedom, Duergar are dour, pessimistic, untrusting creatures, always toiling and complaining, with no memory of what it means to be happy or proud. Their craftmanship and accomplishments endure, yet they are bereft of warmth or artistry. Duergar make war against their Dwarven kin and all other subterranean races. They forge alliances when it is convenient, then break those alliances when they have nothing more to gain. They take and hold slaves to toil in The Underdark, regarding them as free labor and crude currency.
Tough As StoneLike Dwarves, Duergar have strong Constitutions. Adding to their physical stamina is an incredible mental fortitude resulting from their time as slaves of the Mind Flayers. A Duergar's mind is a fortress, able to shrug off charms, illusions, and other spells.
Born of DarknessThe Underdark is saturated with strange magical power, which the Duergar absorbed over generations of imprisonment. A Duergar can increase its size and strength for a short period of time, becoming a powerful Thull-sized warrior. If it faces a foe it can't fight, or when spying on creatures approaching its territory, it can just as easily become invisible to slip away into the darkness. Eons spent in The Underdark also sharpened their darkvision, allowing them to see twice as far as other Dwarves. This keen eyesight comes at a cost, however, as a Duergar's vision is compromised by sunlight.
Infernal MasterAsmodeus, Lord of The Nine Hells, has been known to impersonate Duergar Gods in order to cultivate the evil brimming in the hearts of the gray Dwarves. He offers them divine guidance and vengeance against their enemies while urging them on toward greater acts of tyranny, all the while concealing his true identity.
Humanoid (Duergar): Head, Torso, Two Arms ending with hands, and Two Legs ending with feet.
Due to generations of imprisonment in The Underdark absorbing the strange magical power that permeates throughout, the Duergar has the ability to alter its size, making itself larger and stronger and has the ability to make itself invisible for a short period.
Ecology and Habitats
The Duergar dwell in Cities, Fortresses and Strongholds throughout The Underdark.
Dietary Needs and Habits
The Duergar have Kingdoms, Noble Houses, Chieftains and Clans.
The Duergar look much the same facially as their cousins except for their ashen skin tone.
Perception and Sensory Capabilities
Darkvision 120ft & Passive Perception 10
Civilization and Culture
Major Language Groups and Dialects
Common Dress Code
Dark clothing of wool and leather is everyday wear, for battle they wear leather, Chain or Platemail painted black.
The Duergar were once Dwarves, before their greed and endless delving beneath the earth brought them into contact with the Illithids (Mind Flayers). Held in captivity for generations by the Illithids, the Dwarves eventually won their independence with the aid of the evil God Laduguer.
200 To 400 Years old (Averaging 300 Years)
4ft to 4ft 10" (Averaging 4ft 6")
160lbs to 260lbs (Averaging 200lbs)
The Duergar are generally smaller in height and slimmer than their cousins the Mountain Dwarf, but they are slightly broader of shoulder and physically stronger.
Body Tint, Colouring and Marking
Ashen Skin, deep set dark eyes, bald heads and white beards.
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Original Article by Wizards of the Coast (WotC) for D&D Monster Manual 5e.