What should be added to the top five from the previous installments?

It would be good to bring back the names that could be assigned to a hero based on a specific combination of skills, as in the fourth game.

I agree. Also, it should be possible, as in the fourth game, for troops to move without a hero and for there to be multiple heroes in a squad.

Added after 14 minutes
and add more spells, and make them more effective.