100% spirit efficiency / No spirit build question

https://maxroll.gg/poe2/planner/0dbem0ll

I'm starting to brainstorm a life/str stacking build that runs the Prism Guardian (gives 1% spirit res efficiency per 100 life) and Kaom's Heart (+1500 hp but removes spirit completely)

And this bring me to the questions I have:

Assuming I get 10k life, will that effectively bring all buffing spirit skills to cost 0 spirit as I assume it would?

What exactly are "Buff" spirit skills? I assume it Heralds and such but I fear it refers to the "buff" tag on some spirit skills but thats literally only the 3 banners, Rhoa Mount and Convalecsence. Hoping someone can confirm one way or the other.

Lastly Kaom's Heart, it says you have NO spirit. Will I even be able to use spirit skills even with 0 spirit cost while I have this equipped?

Thanks for any clarifications or info on these things.

Comments

Silly_Choice_54695 months ago10

I believe 100% spirit reservation efficiency simply cuts the amount of spirit reserved by half and not 0??

Versck5 months ago9

The very short answer is that this wont work, but to answer each question:

  1. Efficiency doesn't quite work like that. An efficiency of 100% will decrease the cost of something by 50%, and then an efficiency of 200% will decrease the cost of something by 75%. You'll continue to near 0 but you'll never get the skill for free.

  2. Most spirit gems are buffs, you'll most easily identify it by having it say "Buff" at the top left of the skill gem, similar to Minion/Spell/Attack etc. If you goto https://poe2db.tw/us/Spirit_Gems#SpiritGemsGem you can click "Buff" to filter.

  3. With Kaom's Heart your spirit will always be force set to nil/NA and there's no way to decrease the spirit cost to 0 so theres no way to test how this would interact.

marcottedan5 months ago4

I'm not sure it will work though because 0 spirit =/= no spirit.

Like how infernal flame replaces mana you no longer have mana, you don't have 0 mana.

Cyberpunkmoding5 months ago3

Reservation efficient is additive. Spirit cost / (1+ efficiency/100). So 100 efficiency halves spirit cost not reduce to zero.

You can do matsya tactician for 25% spirit cost though. Have to solve damage, levels etc. but this is the closer way to get to zero

Hairy-Promotion-49855 months ago2

Just want to add a simplified answer to how reduction efficiency works: imagine you have an efficiency of 1 at base. All spirit costs are DIVIDED by your efficiency. So if you get +1 ( which means +100%), you're just dividing spirit costs by 2. If you get +200% efficiency, you divide by 3. 

If you have 50% reduced spirit efficiency, the divisor would go down to 0.5, and if you divide something by 0.5, it doubles it. 

Hope that helps!

One_Big14385 months ago1

And this is a good reason to try a lot of builds instead of trying spamming the same ,efficiency works a bit differently imagine reduce cost to 0 then spamming everything for free that could be problematic

Lodagin6665 months ago1

Increased reservation efficiency or for example increased cooldown recovery rate don't scale in a linear way but in a logaritmic way instead. Basically anything that has a positive wording (increased) but it's giving you less of something (less spirit consumed/less cooldown) will work this way.

So for example, 100% increased reservation efficiency will cut the spirit required in half, 200% will cut it in half again so a total of 1/4th spirit cost, so on and so forth, therefore resulting in insanely high diminishing returns and more importantly never reaching 0.

PigKnight5 months ago1

It’s log scaling. So 100% efficiency will cut the cost in half. Or you can think of it as for every 100% efficiency you get you can run one more of the amount of buffs/minions of the same price.

Old_Tourist_37745 months ago1

Reservation can never reach 0

marcottedan5 months ago1

https://poe2db.tw/us/Buff#GemTags

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