A Path Unwalked
When Uther pursues Balinor to Ealdor, he finds Hunith instead, and takes her prisoner. What he doesn't know is that she's pregnant. When he finds out, he is unable to kill the child, and entrusts Hunith's imprisonment to his ally, King Olaf. but the other King falls in love instead, and adopts the newborn. Uther is not pleased. Destiny, however, is a fickle thing...Royal!Merlin, FemMerlin! Eventual Merlynn/Arthur, but will be slow burn. Rated T for language.