Under cut due to spoilers for latest ep.
I loved this ep the humour the ASH's ability to keep a straight face. Though I must admit I was serious slow on the uptake it wasn't till a couple hours later when I realised OMG Merlin deliberately tried to kill Morgana. I think I was distrated by how ill they made Merlin look and thinking how the fact Merlin got sliced by one of the Knights but be significant.
This and the last ep has changed my way of looking at the dragon. At first I thought yes he was manipulating Merlin so destiny would play out a certain way. Now it seems the dragon in a way is a sc fi troupe a predestinal temporal paradox. The dragon telling Merlin about Morgdred about Morgana, made it happen. That because that's how the dragon saw the future by trying to change it made it happen.
Still loved this ep though it is a bit sad for the Morgana/Merlin shippers it changes so much of their relationship.