User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Who is Lochru?/@comment-4623180-20121002130228

"Even as Camelot flowers, so the seeds of our destruction are being sown."

Very interesting. It could well be a man who disappeared who is about to die.

Or a relative of Merlin's. Merlin may be crying because of this "vision" Colin said he sees, that puts him in attack mode the whole series. So perhaps he is the one who provided the vision? Who knows.