Dark Elves in fiction

Elves, a word from Germanic mythology, are frequently featured in Fantasy fiction. In modern fiction, particularly because of the influence from J. R. R. Tolkien's The Lord of the Rings, elves are modeled mostly after his original description: tall, human-like creatures of otherworldly beauty, with Kings and Queens. Along with this development, Dark elves are often modeled as a more sinister counterpart to the High elves, like the Drow or the Trow, which are the fairy-like dark creatures of Orcadian and Shetlandic folklore. The dark elves (Dökkálfar) or black elves (Svartálfar) are presented in Germanic mythology as dwarves and gray ones.

Dark elves are known for their aggression, deceit, and stealth. They are very brutal and cruel by nature, having little mercy when it comes to cheating, battling, or anything dealing with the life of another being. They have little respect for even their own kind, at times waging war against each other. However, clans are known to band together, to combat invasions and attacks by other races. They usually do not mix blood with other races; if they do, it is often with a demon or related creature. They lurk in dark places and love the shadows. Rarely will they come into the light for needless purposes, but it is not usually believed light will harm or weaken them. Their weakness varies upon legend, and may include excessive heat, rain, nettles, or the blossoms of some plants and trees. Dark elves generally travel in pairs or groups, as their tendencies towards cheating and theft make them targets for retaliation and violence at the hands of other races.

The drow, as they appear in Dungeons & Dragons, were created by Gary Gygax, who stated that "Drow are mentioned in Keightley's The Fairy Mythology, as I recall (it might have been The Secret Commonwealth—neither book is before me, and it is not all that important anyway), and as Dark Elves of evil nature, they served as an ideal basis for the creation of a unique new mythos designed especially for the AD&D game." ("Books Are Books, Games Are Games" in Dragon Magazine, Nov. 1979, #31.) They were first mentioned in the Dungeons & Dragons game in the 1st Edition 1977 Advanced Dungeons & Dragons Monster Manual under "Elf", where it is stated that "The 'Black Elves,' or drow, are only legend."

...
Wikipedia