Honestly, as fun as it can be to play Atlas, there are so many things that hold him back for me to really enjoy. Having to ride my 1 key so much makes that part a pain. Then his need for certain stat sticks means I'm not really able to use him in Circuit as much as I'd want. Plus, the state of the game is kinda moving away from the kind of thing Atlas does best (and make no mistake, he cleans house). Still waiting on DE to reexamine stat sticks as a whole since it seems like DE has since long moved on from releasing Warframes who need one.
Does this look okay? I got rid of Path of Statues, and Petrify is MUCH more reliable and effective in building stacks than that augment ever was. Did an ESO to test it, and it only took about 15 seconds to reach 1400.
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Should work. Most important thing is having plenty of range for your 1 to hit lots of things. With Equalibrium, you could probably swap out Energize for Battery since your Rubble Meter gives you slight more energy and Ore Gaze will give you plenty of health orbs to keep your energy up. However, that's a level of optimization that's only worth it if you're like me. Just remember that with max meter, you'll really only be using energy with your 3 and maybe your 4 to petrify a crowd around you.
Also, worth pointing out that mobs frozen with Path of Statues count for the purpose of Ore Gaze, so that's why both are usually ran together. However, depending on your current tile set, it might be worth replacing.

We ball boys
I would go Umbral Vitality/Intensify and Adaptation instead of Ore Gaze, Equilibrium and Augur Secrets. More survivability and strength and if you have Energize you shouldn't really have energy problems without Equilibrium.
Teshin also has an Umbra Forma BP this week for 150 Steel Essence.
Honestly, since Atlas is
health invulnerable while casting his 1, you'll want to consider using something like Rolling Guard or Catalyzing Shield with Brief Respite so you can refresh your shieldgate with a quick Petrify. Can't really doing that with spamming Landslide with Rubble Heap since it prevents "shields on energy" from proccing. You'll likely want a cast speed shard (or two) if you go down that road. However, running Vitality with a maxed out meter should be find for like 99% of content since a full meter alone on Atlas gives you an effective 7.67x health multiplier. I just build for the 1% of content. I am the one percenter.
Everyone's been posting their Atlas builds and I've seen a depressing lack of strength for optimal fist wizard farming.

I'm running five Tau strength shards, Tome with the strength and armor strip mods, and a magistar incarnon. So with everything at max I have 379% strength which makes him punch harder and corpus drop their lunch money harder.
Honestly, with just 180% strength and an Incarn Ceramic Dagger, I can easily get 50M red crits. Remember, Rubble Heap doubles your Landslide damage and Petrified mobs get damage vulnerability, too. You also have his combo window that gives up to 400% more damage. So, you don't need
that much energy since he has plenty of damage boosts, but I'd be lying if I said "number go up" isn't fun as hell. Also, since Steel Charge is additive base, swapping it out for Growing Power would likely give more damage overall. Shouldn't be too hard on your build since you have the capacity to build.
Honestly, I'm just riding it out and I'll eventually get the parts through osmosis.
At current .market rates, you'll likely be able to buy Xaku Prime for pocket plat after a few weeks.