The interior designs of Inferno, Dungeon, and Rampart have been redrawn to match the map's game world.
The "Prefecture," "Mage Guild," "War Academy," and "Summoning Portal" buildings have been removed from the Dungeon, and the "Forge" has been removed from the Inferno (in both castles).
New look for Rampart (Agroprom Research Institute):

New look for Inferno (Ruins of "Sin" and ContrabasCity):

New look for Dungeon (Agroprom Dungeon):