Regarding whether Necropolis became stronger or weaker, I think no one can give a definitive answer. The advantages of the old Necropolis are that you can raise as many killed units as you want, but only in the form of skeletons, plus the ability: Sealed Mines. The advantages of the new Necropolis are that you can raise creatures of any level, but as long as you have enough dark energy. In general, there are as many opinions as there are arguments! Personally, I am firmly convinced that playing as Necropolis has definitely become more interesting.