Creature dwelling

You can find creature dwellings on the Adventure Map. They only produce non-upgraded units. After flagging a particular dwelling with your hero it is increasing population of the same creature(both non-upgraded and upgraded) in all towns by 1. Level 1 dwellings give you Level 1 creatures for free, Level 2-4 dwellings give you creatures for normal cost, Level 5-10* dwellings give you creatures for normal cost after defeating some guardians. The number of guardians is Growth*3.

* Azure Dragons, Crystal Dragons, Faerie Dragons and Rust Dragons theoretically counts as level 8-10.

After a hero defeats dwelling guards the dwelling may be re-flagged any number of times, in that week, by any other player without a fight. The guards will return at the start of the week to defend against being re-flagged.

If a hero retreats or is defeated only the surviving guards will be there if another hero attacks in the same week. The guards will return to full force at the start of the week.

Interestingly enough, the graphic representations of most of the external dwellings resemble the corresponding upgraded town dwellings, despite yielding only non-upgraded units.