Board Thread:Questions and Answers/@comment-4623180-20120906134039/@comment-5674726-20121211205635

''No, I think Morgana's too merciful towards him. I wish she'd finish the contemptible little worm and someone else called Merlin would turn out to be the one from the legend''

I think that her problem is the opposite one. She's not being merciful enough.

Instead of taking the opportunity to go for the quick kill when he's unconscious, she wants to drag it out and make his end slow and painful, allowing time for others to help him. The Hollow Queen is an excellent example; she could have slit his throat or used magic to break his neck but instead, she poisoned him, allowing Daegal to give him an antidote.