Which build do you recommend for HC Level 90 Achievement.

Just looking for a build I can use to get the level 90 achievement for hardcore. I've played a lot of PoE 1.8K hours, but never bothered with HC because the servers/client never felt stable. This patch/league though has been extremely stable on my end so I would like to knock this achievement out.

My main worry is dying due to an unexpected disconnect or de-sync, I'm pretty confident I can get to 90 without dying to a 1 shot if I avoid syndicate this league.

I was thinking of Golems because they fight for me even if I'm afk with the gem that makes them aggressive. Totems, or a Juggernaut build.

ED trickster is pretty good with the recovery stuff.

There are also a ton of variants of it, the best setups have some maxres built in one way or an other.

Armor chest (Lioneye's for example, but I've seen brass dome before) + Block (Ahn's heritage) + MoM

Or
Eva base + shaffel + acro/phase acro + MoM

You can layer defenses very well with this build, altho boss dmg sucks unless you facetank blight them, but that isn't an issue until guardians.

Level 90 is nothing, so just go Arc mines or Arc traps. Wouldn't recommend totems, because they become squishy as hell. Heiro just isn't as good as Sabo. Sabo gets a blind aura and 20% life and mana regen, both of which could help keep you alive in the event of a crash or DC (although if it's a full 6 sec DC, you're just fucked no matter what build you're playing.)

If you're concerned about the syndicate, just wait till there's a laboratory mission and never do it. This will keep it stuck to laboratory indefinitely. You can then resume after you hit 90 if you want.

max block blade flurry

Something, something Juggernaut.

Molten strike, sunder, whatever.