Powerful sorceress in Arthurian legend; half-sister of King Arthur

Let's find possible answers to "Powerful sorceress in Arthurian legend; half-sister of King Arthur" crossword clue. First of all, we will look for a few extra hints for this entry: Powerful sorceress in Arthurian legend; half-sister of King Arthur. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.