User blog comment:Morganaforever/Thoughts on Merlin's finale/@comment-4135736-20121225111807/@comment-4650675-20121225113701

I think that the biggest failure was the destinies that ended unachieved, and the Dragon mystery. We never learnt WHY Aithusa is the light of the sun, WHY she allied with Morgana, HOW Kilgharrah got hurt, WHAT he thought on Aithusa's betrayal, THEIR SUDDEN DISAPPEARANCE and so on...