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

Every castle is good in its own way. Many players in Heroes 5 choose a castle based on their preferences from previous installments. Those who are playing for the first time will likely choose a castle based on their own beliefs: good or evil. Objectively, it's difficult to say which castle is the strongest, but Necromancers definitely rule with their archer-skeletons, although it takes time to build up an army. For me, Necropolis is the strongest.