All questions regarding mapmaking for Heroes of Might and Magic 3: The Shadow of Death.

1) You can prevent the weekly creature spawn or monthly plague: this is achieved by connecting the HD mod plugin SOD_SP. 2) Hero leveling can be done using anything that grants experience: events, Pandora's boxes, seers, etc. 3) This can be done using the extended WOG/SOD map editor. Here is its standalone version. Extract the archive to a separate folder (not in the game installation folder!) and run it from there (it's convenient to create a separate shortcut). When saving, remember to choose the file type "Heroes 3 SOD map file": by default, saving will be in the WOG map format.