The castle, Which Might Be an update from City Hall.
available only if your hero Have a very high ranking
three circles walls
one near the town hall, in the wall Another middle, the third in the exterior.
I built the cities, only two stone walls
All content is added.
Whether this or Another, all you add expansion, Will be very good for the game.
It seems that in a few months, will add some very interesting things, ships, magic, etc.
PD. I hope not delay too long