[Arthur says nothing. He hadn't forgiven himself for his own part in driving her off. He isn't really sure how much he can put on Merlin's shoulders when so much of her anger is directed at Uther and himself. Merlin wouldn't have been put in that situation if magic wasn't outlawed, if the king and his son had been of a family to Morgana instead of pushing her towards her long lost sister.]

He told me that your sister used you to make the curse on Camelot. Have you forgiven her for that?