Elf

The Elves (or Elfs) were almost eternal near-humans beings who were born in the planet Arda. There were known in just some parts of the Galaxy, and the greatest part of the people taught they were a legend. Most part of the elves had any technology to leave Arda, and thouse who had it, never return. One of them, Alis, left Arda and went to Chandrila. There he founded his family, marrying a human female. The most famous member of this family was Kundun, that by his time was more human than elf. Though, he yet possesed the eternal life quality, what make him and his family live for 4 thousand years.

Behind the scenes
Elves are legendary creatures from the Nordhic Mitology who became famous in Tolkien's arts like The Lord of the Rings.