In your opinion, which faction is the strongest in Heroes 5? Let's discuss the advantages and disadvantages of each faction.

A Necropolis army without a constant supply of biomass to raise undead is very weak. If you only consider the base unit production of the castle, for example, 3-4 units, it's clear that the Necropolis will lose to any army with 3-4 units from other factions.

Added 1 minute later
Well, for the Academy, only the "machines" are unnecessary, in my opinion.