Well, you can play from this save. Just move each hero one tile away from the Castle, and everything will be fine. The circles are just decoration.
Added after 9 minutes
Campaigns
The Beginning of the End
Scenarios
Ice and Flame
Escape from Shio
Archipelago of Pao
Uninvited Guests
Twilight of Darkness
Multiplayer
Legendary War
Heart of the Volcano
On the Brink of Balance
I decided to start over. Tell me which build is best for venturing onto the surface? Will a House be useful, will there definitely be Legions there?
Is it worth doing the quest with the zombies and spending half an hour running away from them with Furies? What reward will I get?