Merlin: I thought…because she has magic, I thought we were the same.
Kilgharrah: In some ways you are.
Merlin: No. I will never be like her.
Kilgharrah: You have learnt an important lesson, Merlin. Your determination to see goodness in people will be your undoing. But I fear that your futures are now joined forever. She is the darkness to your light, the hatred to your love.