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

What I like about discussions on such topics is that you learn a lot about other factions and then choose them and test whether something works or not, but tell me, what makes Elves stronger? I wanted to play as them (I love archers (3), but I never learned how to use the Avenger, luck with the help of artifacts also works well, enchanting is a long and not very fun process, but what makes them stronger than Necromancers?