Can someone explain why PoB thinks i have 100m effective hit pool?

(4)

4.60K98.61M12.52M

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3.18 Sentinel

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neq

Phantasmal Cremation Wave 30 Showcase

3.45K98.61M19.98K

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3.18 Sentinel

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H4NL3Y

[3.18]Doryani's Prototype Summon Carrion Golem Depth 800

(33)

4.48K221.87K -

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3.18 Sentinel

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Bodinplayingwhat

Carrion Golems Eater of Worlds Deathless for Voidstone Path of Exile 3.18 #shorts

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5.23K26.82K -

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3.18 Sentinel

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unjacked Gaming

Cremation The Feared all at once on HC (monster lvl 85)

(13)

8.92K123.26M8.04K

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Hardcore

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3.17 Archnemesis

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Peepeeyellow

[3.17] Death Wish (Maw of Mischief) Build | Elementalist | Archnemesis | Path of Exile 3.17

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3.46K135.59K21.48M

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3.17 Archnemesis

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themehmetbozlak

High Budget Mage Skele CI + Melding of the Flesh Jewel

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4.77K123.26K26.32M

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3.17 Archnemesis

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Tichoh

How to improve my Death Wish Build

5.41K49.30K7.07M

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3.16 Scourge

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Ma_Ne

I just want to be tanky as hell next league, so I made a big ol Dominating Blow Guardian. Never played it though so is there anything I'm missing?

(10)

8.67K-5.41M

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3.16 Scourge

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Burwicke

[3.14] Standing Still Stormburst Elementalist T16 map run and Baran kill. Facetanking everything including Ultimatums excluding high dots.

(16)

4.56K-3.13M

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Mapping

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3.14 Ultimatum

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An4LPunishment