Merlin... What's happened to her?She's gravely ill.Do something! If I could... Please, Gaius.Merlin, this is no ordinary illness.This cannot happen!Who did you meet at the isle of the blessed? Nimueh. Nimueh?It was as you said. She demanded a price. But I bargained my life, not my mother's!Merlin, I wish there was something I could do.I will make you better. I will.You knew this would happen! You had me trade my mother's life for Arthur's!You said you would do anything.Did you know my mother would die?I knew the price would be a heavy one.But you sent me anyway.We need Arthur to live.I'm not one of you.We are both creatures of the old religion. It is the source of you power.