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sorry, a slight off-topic;
hmm... I'm really curious... will Dmitry_A_S and Radik participate in WW2? =)
Added 3 minutes later
:) No - we'll ask on what day the first underground city was captured? Is that what you mean by a neutral city? And why was it needed? To directly buy heroes there and divide the mages among them?
The city is needed for the tavern and the guild of free slaves.