You can always ask via pie-message for a slot. I've been doing that here and it worked perfectly ^.^

Since I'm stuck with the 8.7m hp guards mess, I'm currently just helping everyone I see with their guards xD so if you want, send me a pie message and I'll open a slot for you.
Daily player, 96.7k SED so far (yeah it's not exactly impressive, but I can help)