Board Thread:Skyrim/@comment-11441888-20130711011114/@comment-3496379-20130731002650

Pickleseller wrote:

Krosis isn't solo either. Yes, but he's in the company of a dragon, and dragons are completely immune to Illusion spells by their very nature. Ditto for Nahkriin, Miraak, and (if you're a high enough level) the radiant dragon priest at Arcwind Point.