and the Great Pit is about to be constructed
Different buildings than us...
Armour Plating +12 defence
Spiked Pit +50 defence
Great Wall Strengthening +7 defence
Workshop
Pump
Great Pit +20 defence (Base value)
86, not 20, because of upgrades, going to be 119 before the attackWatchtower +3 defence
Portal Lock +2 defence
Barbs +9 defence
Factory
And obviously not in that order.