Fixes and improvements:
Vampirism for the Vampire hero has been buffed.
Minions of the Necromancer hero have been buffed.
Increased the resurrection range for Angels.
Fixed menu item localization when switching languages.
Added a 3rd display mode: Fullscreen.
Added missing localizations for character effects.
Added a Steam launch check to ensure DLCs function properly.
Fixed a bug where quest progress would get stuck.
Fixed the castle position offset in Survival mode.
Fixed an issue where Area of Effect abilities persisted after their duration expired.
Improved defense tower positioning for bots in Sandbox mode.
