NHF – new heroes for Heroes V 3.1.

Were the streams definitely based on version 0.85? If so, it seems that my game doesn't recognize half of the heroes (mainly from Necropolis). For example, Anastasia. Is this an incompatibility with EWA?

The Necropolis stream was based on version 0.85.11 (a special version for the streamer), and version 0.85.0 is available for download in the header.
That's why there are no new heroes.
To download the new heroes, you need to wait for version 0.86 to be released.

What will we do with Ivor? - He essentially has Wingael's special ability (shifting the army forward at the beginning of the battle); the only difference is the
ballista feature http://ru.ashan.wikia.com/wiki/Ивор

He has Krag's special ability. Since it's impossible to repeat Wingael's ability within the same faction, it's somewhat appropriate for his biography, as it's similar to Krag's...