Nimue was born sometime in the mid 1300s, growing up in Vyrva, a small village right off the Yaruga river along with her two older sisters, including Orla. When the two were young, they liked to gather with the other village children to hear the storyteller Stribog tell them about past legends, like that of Geralt, Yennefer, and Ciri. In particular, Orla and Nimue wanted to hear more about the love story between the witcher and sorceress. It was from these stories that Nimue decided she wanted to become a mage or, if she couldn't, an archer like Milva. However, many in the village considered this no more than a pipe dream, with many of them getting married and pregnant by the time they were teens.
Wanting something different for herself, a determined Nimue set off when she was of appropriate school age for Aretuza in 1373, traveling half the continent to reach the magical school. During this time she bumped into a white-haired witcher in Magpie Forest, who saved her from being killed by a creature tagged as IDR UL Ex IX 0008 BETA.
In her private tower, she scoured images depicting scenes from the sagas, as well as all the books, fables, legends; every nook and cranny trying to find more information about Ciri's history. She even recruited an assistant, Condwiramurs Tilly, an oneiromancer, who helped with her knowledge of ballads and singing.
- Nimue is a name given to many female characters in the Matter of Britain literature. Nimue was the name of the "Lady of the Lake", who gave Excalibùr to King Arthur; the name of the woman who brought the dying king in Avalon; the name of the woman who took care of young Lancelot; the name of the sorceress who seduced and imprisoned Merlin. In all these cases, Nimue is doubtly a human but a mythological creature like a nymph or a nereid.
- Her name can be translated from Welsh language as "Nimue, daughter of Wledyr, son of Gwyn". There is interesting fact, Gwyn ap Nudd is the King of the Wild Hunt in Welsh mythology.
- Technically, this format doesn't follow traditional Welsh: "verch" is only used for daughters while "ap" for sons, such that it should be "Nimue verch Wledyr" without the "ap Gwyn". The latter part may have been added on as part of Andrzej Sapkowski's witcher lore.