So I got a nice legendary subordinate city key from the event and OF COURSE I jumped on the occasion to take it but unfortunately I couldnít. I dropped one of my cities (I had 3 spots opened and only using 2 but just in case the third one was not REALLY opened, I dropped the second one). Still couldnít. The only option available was to attack it. Now I was convinced after talking to some people in the world chat that I didnít have the power to take it, but now I canít take any NPC ones... Whatís the issue here? What is it I need to fix?! Thank you in advance.

Oh, Iím a level 22 Knight, my keep is level is currently 23.