Kalavier man cool that you are learning about the Revenant. I was hoping for the Necromancer to be more of a dark summoner. I noticed though that even the Necromancer in Diablo III is pretty limited and basically has just "Army of the Dead" and "Summon Skeleton" as it's options. Army of the Dead functioning really just similar to like a timed ultimate button in a MOBA-
While those are traditional to what the Necromancer is- The 20 some odd utilities outside of it, like Dark Nova, Siphon Blood and curses don't really contribute to anything greater than the former.