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If that were the case... But the prerequisite system remained, and to prevent rapid development, they added Town Points.
An unnecessary restriction? Let's see what happens in the release.
Moreover, the choice of buildings here is: Capitol, Castle. So, a player who chooses dragons instead of the Capitol immediately loses money. Because after building dragons, the Capitol can no longer be built. :)
Are you absolutely sure that's how it is? That it's possible to build dragons without building the Capitol, but after that, the option to build the Capitol is lost? Is this not a bug?
С Уважением, ВОРОН из сибирской деревни. :)