First time got into PoE2 endgame, tried lots of setup and end up like this. It's a showcase before putting on Mageblood, still tweaking some small things and , there are gonna be changes and more expensive upgrades in the future.

PoB : https://pobb.in/9lE_wqGlH_jR

Ninja : https://tinyurl.com/mybj8zxt

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Main idea:

Archon of Chayula - Clear and single target, freeze support should be Rigwald's for higher budget

Into the Breach - ~50% extra chaos (5 average stacks) and insane sustain

4th ascendancy points is whatever, I used Void Illusion til yesterday.

Molten Fissure - Glory generation and Firey Death + Xoph's Pyre for supplemental clear

Starborn Onslaught - Stronger fissures, can use it in boss fight thanks to Zerphi's Infamy

Despair - With lifetap it can generate glory for Starborn Onslaught

Forgotten Warden + Rolling Magma - Guaranteed 2 fissure triggers per second from chaining, you can get more trigger with higher companion attack speed.

As for Giant's Blood + Sceptre + Vertex + Banner, it's a recent change, still able to clear 200% delirious map without them but more susceptible to oneshot due to lower mana pool and has less clear capabilities without heralds.