User blog comment:Longlivemerlin/Temporary? Or Permanently? Magic reveal talk! (SPOILERS FOR EPISODE 12 & 13!)/@comment-4190137-20121218043515/@comment-5534443-20121218100000

Yes I think that it will be Merlin who sacrifices most to save his beloved king... I find it very sad too, but I can live with it because it fits perfectly to the kind of person Merlin has always been.