The two big pieces of this build are Gravitational Aspect and Flickerstep. Gravitational Aspect not only increases the damage of our Ball Lightning abilities but allows them to orbit around you and constantly strike enemies. With the upgrades you’ll be taking, Ball Lightning strikes have a high chance of generating Crackling Energy. When Crackling Energy hits an enemy, it reduces the cooldown of Unstable Currents, which, it must be said, also produces additional Ball Lightning effects. That’s the core of the engine that allows you to keep Unstable Currents up pretty much 100% of the time.
However, Flickerstep ends up being a surprisingly strong addition to that strategy. It allows us to reduce our Ultimate cooldown even further by evading through enemies, which is typically easy to do with the other abilities we’re taking (most notably, Teleport). That item really gives you the cooldown reduction consistency that previous versions of this build lacked. I’ve even seen some versions of this build run Flickerstep rather than the Key Passive that contributes to Unstable Currents’ cooldown reduction. Ultimately (pun intended), I think it’s better to aim for overkill in this instance.
Honestly, some of those new Vampiric abilities almost seem custom-made to support this build. They further reduce your cooldowns (something that Sorcerers can never get enough of) and greatly increase your movement and attack speeds (which feed into the principal strategy of the archetype).
Again, the beauty of this build is that it basically operates on auto-pilot. Once you assemble the main pieces (which, admittedly, may take a while), you just have to walk or teleport around while constantly summoning lightning effects and enjoying the defensive benefits of barriers that never seem to go down. As long as you spam your Arc Lash attack to keep the engine running and use your defensive abilities when appropriate/possible, you’ll constantly be filling the area around you with deadly projectiles that can even melt end-game bosses.
Diablo 4: Best Season 2 Necromancer Build – Infinimist
Skills: Reap, Decrepify, Blood Mist, Bone Storm, Corpse Explosion, Corpse Tendrils
Key Legendary Aspects/Unique Items: Howl From Below, Aspect of Ultimate Shadow, Blood-soaked Aspect, Aspect of Explosive Mist, Aspect of Decay, Blighted Aspect