Diablo 4 doesn't give you a "Warlock" button, but you can still play like one if you build the Necromancer the right way. I've tried the obvious stuff, the weird stuff, and the "this should work" stuff that doesn't. If you're gearing up for endgame, it helps to know what lane you're in early, and even basic shopping like Diablo 4 Items can make a big difference when you're chasing the exact stats that keep a build feeling clean instead of clunky.
1) Shadow DoT Warlock
This is the one that actually feels like you're cursing a room and letting the darkness do the work. You drop Blight, pop the shadow Corpse Explosion, and keep Decrepify on anything that looks dangerous. Then you move. That's the whole magic of it: you're not rooted in place hoping your damage lands before you get clipped. In Nightmare Dungeons, that matters more than people admit. Stack Shadow Damage, Damage Over Time, and enough Cooldown Reduction that your loop never stalls. Once it clicks, you'll notice packs "die late" behind you, and it's weirdly satisfying.
2) Minion Curse Warlock
If you want the classic pet-caster vibe, this setup is comfy and it's forgiving. Your Skeletons take the heat while you toss out Iron Maiden and keep the pressure up from a safe spot. You'll get away with mistakes that would've killed you on other builds. But there's a catch: bosses can feel like a slog, and big AoE moments can wipe your whole plan in a second. You'll want Minion Life and ways to keep Essence flowing, because recasting and rebuilding mid-fight is where runs fall apart. It's still a great "learn the game" Warlock-style, just don't expect it to delete single targets fast.
3) Blood Drain Warlock
This one surprises people because it's a caster that plays like it wants to get punched. Blood Lance plus Blood Mist can keep you standing when you really shouldn't be, and that tanky rhythm is fun when you're tired of kiting. Against elites and bosses, it's hard to beat the feeling of outlasting everything while your Overpower hits start showing up. Build into Maximum Life and Overpower Damage, and you'll see why it works. The tradeoff is speed: trash packs don't evaporate the way they do with Shadow, so you've got to accept a slower clear.
Stick To One Lane
People still try to mash blood, shadow, and minions into one "everything" build, and it usually ends the same way: not enough damage, not enough survivability, and gear that never quite fits. Pick a core theme and gear for it like you mean it, and you'll progress faster with fewer dead-end upgrades. If you're missing that one key piece or you just want to smooth out the grind, it's also why some players use eznpc to buy game currency or items and finish a setup without spending their whole week in one dungeon loop.