Demon invasion.

Campaign update released.

General changes:
- The campaign file has been re-uploaded to Yandex and Google Drives.

Map-specific changes:
Ice and Flame:

- Most neutral creatures in the second part of the map have been changed;
- All spells have been unlocked, except for most fifth-level spells – they can be obtained as artifacts by completing a quest;
- Enemy hero armies (dwarves) accumulate more slowly;
- The rule for transferring a hero to the second part of the map has been changed. Accumulated stats can now be partially taken into account.

Rebirth:

- The starting bonus has been made more noticeable;
- Many neutral creatures on both parts of the map have been changed;
- Army coefficients for enemy heroes have been reduced;
- The number of creatures that can be recruited has been increased.

Archipelago of Pao:

- Many neutral creatures have been changed;
- Shipyards have been added to the islands;
- The orange player no longer dies without cities;
- The Grobok has been slightly weakened;
- Orc cities can be converted into Inferno cities for 100,000 experience points;
- Creature weeks have been disabled.

Invasion:

- In addition to the previous changes, creature weeks have been disabled.

Deadly Desert:

- Many neutral creatures have been changed;
- The number of creatures that can be recruited has been increased;
- An artifact has been placed near the starting area;
- Creature weeks have been disabled;
- A main hero has been assigned for mages, and the army formation rule has been improved for necromancers.