Boss fights were particularly satisfying and, honestly, easy.
I ripped through the campaign with it and you will have no trouble getting to World Tier 3 and beyond. It can deal with Elites, Bosses and groups of enemies. This build is wildly fun and very easy for new players. They can raise Skeletons and Golems, wither away their foes with Shadow magic, siphon life with Blood magic and dominate the battlefield with bone shards or corpse explosions.
In Diablo 4, Necromancer is the master of the Dark Arts.