User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Arthur's Reaction After Learning Merlin's Magic/@comment-4062486-20120422065526

I actually thought Arthur was going to banish Merlin by the end of Series 4. It probably would've meant that Camelot would be in chaos in the beginning of Series 5 and Arthur would've soon realised how wrong he was to banish him and try everything possible to find him again!