No builder needed to upgrade Walls
As the title suggests I feel that you should not need an available builder to upgrade your walls. You do not need them to purchase traps or when you first build walls. Therefore I believe that you should not need a builder to upgrade them. Also, it takes no time to upgrade them, so I feel that using a builder is not necessary to upgrade them. Thank you for your time and consideration.- Your fellow Clasher
I think you shouldn't need a builder because...
I think they should make it so you don't need a builder, because sometimes when I want to upgrade my walls, I cannot because my all of my builders are upgrading something, and I have to wait to upgrade my walls.:(:(