User blog comment:Morgana High Priestess/Arthur`s death in the legend!/@comment-4623180-20130105040432/@comment-176.249.115.102-20130105170204

I think the Sidhe would have agreed to heal Arthur, but at a price. They wouldn't have done it out of the kindess of their hearts. Merlin could have been made to promise somthing in return for the Sidhe healing Arthur.