I am currently upgrading air defence to max. But I don't know which one to upgrade next? All my teslas need 2 more levels and they are cheaper to upgrade than my cannons. Can any TH9 pro's give me tips about walls? Because I will be staying TH9 untill everything is maxed. I want half of my walls to be atleast level 10. :rolleyes:
http://i59.tinypic.com/24l05u1.jpg

