What I've recently seen in Wikipedia is that episode 11 will be called The circle of fate e12 and 13 the reveal. It will have Mordred loyal to Morgana Morgana hunting for Emrys. It seems this time the prophecies will come true. This is what I want to happen:

Arthur and the Knights will find out of Merlin's magic,

Merlin will also reveal to Morgana his magic and that he is Emrys and will later kill her once and for all,

At the end Arthur will finally unite all the lands of Albion thanks to Merlin and he will accept magic in Camelot as he knew that his "fool" servant was protecting him using it all these years. This is the way the series should end.

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