I picked up the Warlock a couple weeks after Reign of the Warlock landed, mostly out of curiosity. Then Echoing Strike hooked me. The first time those five ghost weapons snapped back through a pack, I knew I was in for it. You'll also learn fast that the build lives or dies by your weapon and your Faster Cast Rate, not attack speed, so even your early shopping list changes—sometimes all the way down to how you farm diablo 2 resurrected runes to get rolling without stalling out.
FCR first, everything else second
Echoing Strike plays like a caster wearing melee gear. That's the weird part. Hit the 75% FCR breakpoint and the skill starts to feel "right," like you're not fighting the animation. Push to 125% and it's silly in the best way. The sneaky detail is that each projection borrows your weapon's base stats, so stuff like Deadly Strike, +skills, and helpful on-weapon mods get copied over and over. That's why a "good enough" stick can suddenly feel amazing, and a slow, clunky one can make you think the class is bad when it's really just gearing.
Budget workhorse: Insight in the right base
For a cheap start, I still like Insight, especially in something like a Great Poleaxe. The Faster Cast Rate is doing a ton of heavy lifting early, and Meditation saves you from chugging blues every room. It's not flashy, but it keeps you moving. When I was running Travincal around P5, it gave me steady clears and let me focus on positioning—casting out long, then letting the return pass chew through council members who line up. It's also forgiving while you're still figuring out how far to "throw" Echoing Strike so the boomerang path actually hits.
Power spike: Arioc's Needle and the shotgun return
Once I swapped into Arioc's Needle, the build clicked. A strong +skills roll pumps Echoing Strike and anything feeding it, and the added Deadly Strike plus Ignore Target Defense makes regular monsters feel like paper. In Chaos on higher player counts, the difference isn't subtle—your pace jumps because you don't need to reset casts as often. The best part is the return "shotgun" on bosses: aim past them so the projections come back through the same hitbox, and health bars just fall off. If you're thinking about Ubers or the new Herald fights, that single change can carry a lot of your damage.
Heavy options and when it's worth skipping the grind
If you want brute force without perfect rolls, an ethereal Hellslayer can be hilarious—huge top-end damage, and the Fireball proc helps clear stragglers you didn't line up cleanly. For the scariest Herald moments, I also like leaning tankier with something like Fortitude in a big base, because resists and raw defense buy you time when you mistime a cast. And yeah, if you're stuck hunting the exact eth base or that one weapon roll that makes the whole setup sing, it's not wild to use U4GM to grab items or currency and get back to actually playing instead of living in trade chat.