Well, then it seems I have some kind of issue with the link. I've already found the manual in the attachment.
Added 4 minutes later
I still seem to be having some problems. I couldn't find the manual in the archive. Maybe I'm just not seeing it, but there were only Textures. Could you please explain where this guide is?))
And the texture file is to make it easier to adapt the map editor to this mode!

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Неудачное планирование ведёт к неудаче ...
NCF - мод, добавляющий дополнительных существ в HeroesV 3.1