Arthur sighs. "Merlin doesn't want to...he's not going to..." he's at a loss for words as he often is with these things. "I'm sorry for what he did to you, I know it's unforgivable. But...sometimes the unforgivable can be forgiven." He ventures, hopefully.

God knows he's done it...with Father - who he truly believed was repentant (and he rather hopes it's so for his father's sake.

"I...he's... I couldn't be the king I am without him. I can't choose between you."