Calculating Effective life total.......

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Tarngold wrote:

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ok, thats what i was missing, so if its 219% added to 839 life it actually = 2676.41 before gear, which doesnt seem like much since ive seen people with upwards of 6000hp so how are people getting up that high, and this is before Kaom's Heart.

If someone had 6k life then assuming they have ~300% increased life they would need a base of 1,500 life. About 600 comes from level and other passives, ~175 from strength. Leaving ~725 or so to come from equipment.

600 life - level/passives
175 life - strength
725 life - item mods
* 4 - IML
= 6k

Notice, that almost half the life comes from equipment!

The Vigorous affix gives 100 to 109 life per piece of equipment and you want all equipment to have that mod.

Interesting observation:

The formula is actually quite correct.
There's a minor malfunction (in my opinion) or it is intended, I could not know at this point.

Starting life (SL): 42
Strength life (StL): Strenght/2
Level Life (LL): Level*8
Additive Skill Tree Bonus (ASL): Flat Value
Additive Item Bonus (AIL): Flat Value
Multiplicative Skill Tree (MSL): Multiplicative Value, %
Multiplicative Item (MIL): Multiplicative Value, %

As this topic and the wiki suggests
Life = (SL + StL + LL + ASL + AIL)*(1+MSL+MIL)

How it works in fact (tested with Carnage Heart):
Life = (SL + StL + LL + ASL + AIL)*(1+MSL) + (SL+StL+LL)*MIL

Which actually means, that if you have a Carnage Heart, that reduced your life by 25% and 3 nods, that increase your life by 25%, the 3 nods will give you more life then the Carnage Heart would reduce.

Example:
Starting life: 42
Str life: 500/2 = 250
Level Life = 100*8 = 800
Additive Skill Tree Bonus :76
Additive Item Bonus : 500
Multiplicative Skill Tree : 300%
Multiplicative Item : -25%

Life = (42+250+800+76+500)*(1+3) + (42+240+800)*(-0.25)
which is exactly with 576*0.25 = 144 life less reduced

I have almost 6k life with a very mediocre gear at lvl 76. Also 226 % increased life from the passive tree.