Thouse are the defence cities ..no castel there !
This tipe of cities are very useful too protect ur castled city or too support ur freands ...or too support Palace
from others enemies.

Wen u want too build a defence city u need to have first a resource city Wood-stone-iron near him.
U cant attack enemies with the troops are there u can raid dungeons or bosses.

Wen u gone start building a defece city :
- u need too build there 20 cotages too lvl 10 (2000 construction speed)
- clear all resource in the midle in your city
- up ur TownHall too lvl 10
-build all baracks -training Graound -stabel-trinisc temple all of them too lvl 10
-build 2 looktowers
-if u have resource too spare u can build the others tipes of towers too and walls..
but in defence city are useles..
-u have finish to build every thing there to lvl 10 now u can start too
destroy cottages and build the others barracks