Of course, sorry, but I came here late.
First: is it better to play as Arantir or Ornella?
Second: should I send warriors from Haven to Necropolis and turn them into undead?
Third: how do I defeat demons? I defeated the blue one, and the red one has a medium threat level.

Added 8 minutes later
Of course, sorry, but I came here late.
First: is it better to play as Arantir or Ornella?
Second: should I send warriors from Haven to Necropolis and turn them into undead?
Third: how do I defeat demons? I defeated the blue one, and the red one has a medium threat level.