A THREAD FOR NEWCOMERS!

This is when you capture a second castle of your faction. That is, if you are playing as Fortress, your secondary castle will also be a Fortress, and so on. The advantages are obvious: native units, the ability to fully develop two castles and assemble an army from both.

and the probability of external resource deposits (hidden mines) of your creatures increases. Capturing them (which, by the way, increases the creature spawn rate in the castle) allows you to assemble a large detachment – the so-called "strike force," which will solve many tasks in one or two attacks...