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Stats, % defence and effective hitpoints (EHP)


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#1
kmeeg

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Stats, defence and effective hitpoint (EHP).

EHP is calculated by taking your life, and divide it by your damage reduction to show how much your total health pool is worth.

 

When you promote you gain higher stats.

1 promote will give you either 0.5% 'Melee' (con), 0.5% 'Ranged' (cun) or 0.5% 'Magic'(will) defence:

One point in a stat will slowly become worth more and more until you cap at 80% defence.

 

Formula: TotalHealthPool / (1-defence)

1000/(1-0.8) = 5000

1000/(1-0.75)=4000

1000/(1-0.7) = 3333

1000/(1-0.6) = 2500

1000/(1-0.5) = 2000

1000/(1-0.4) = 1666

1000/(1-0.3) = 1428

1000/(1-0.2) = 1250

1000/(1-0.1) = 1111

 

XuGvk2H.png

 

Example with stats:

Base 1000 HP

Stat: 30

Defence: 10%

Efficient Hitpoints: 1111

 

Base 1000 HP

Stat: 50

Defence: 20%

Efficient Hitpoints: 1250

 

Base 1000 HP

Stat: 70

Defence: 30%

Efficient Hitpoints: 1428

 

Base 1000 HP

Stat: 90

Defence: 40%

Efficient Hitpoints: 1666

 

Base 1000 HP

Stat: 110

Defence: 50%

Efficient Hitpoints: 2000

 

Base 1000 HP

Stat: 130

Defence: 60%

Efficient Hitpoints: 2500

 

Base 1000 HP

Stat: 150

Defence: 70%

Efficient Hitpoints: 3333

 

Base 1000 HP

Stat: 160

Defence: 75%

Efficient Hitpoints: 4000

 

Base 1000 HP

Stat: 170

Defence: 80%

Efficient Hitpoints: 5000

 

A veteran with 170 con/cun/will + 200 hp belt

Base: 1000 hitpoint + (160 con*5 hitpoints) +200 hitpoint belt = 2000 Hitpoints

Stat: 170

Defence: 80% vs. all

Efficient Hitpoints: 10.000

 

To consider

- Veteran gains more base hitpoints from an increases in constitution (5 HP for each 1 constitution)

- HP belt, Armor rating, class, levels etc.

- Melee, ranged and Magic may have different defence values, hence a different EHP, 

- Notice how much 160 to 170 con matters compared to 10 to 110 Con.

- Remember that the first 10 in a given attribute gives 0% to any defence

- The formula for damage dealt by enemy NPCs against party members 

- For simplicity, no multipliers used for magic resist tonics like (1-defence)*(1-resistance) vs. magic -> This post is kept simple to make a point!! 
- Base hitpoint is 450 (keeper), 500 (archer) and 550 (Legionnaire) on a level 1 nudist.

 

For fun - "How to calculate your own EHP" (Credit: Proto pointed out a need for this)

Total Health Pool = Base HP + (CON -10 ) * 5 + Gear(Health Belt / Armor Upgrade)

Defence: To calculate using all three stats
Melee Defense = [(CON -10)/2] / 100
Magic Defense = [(Willpower -10)/2] / 100
Ranged Defense = [(Cunning -10)/2] / 100
Defense = { [ ( 1 - Melee Defense ) + ( 1 - Magic Defense ) + ( 1 - Ranged Defense ) ] / 3 }

EHP = TotalHealthPool / (1-defence)

 

 

TL:DL Veteran with 80% defence can obviously take "5 times" as much damage, as a scrub with 0% defence. (Same base hitpoint and armor)


Modifié par kmeeg, 03 août 2015 - 06:45 .

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#2
Varbind

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So going from 10% to 20% gets you 250-111 = 139 hps for 20 promotes or 7/promote

 

going from 70% to 80% gets you 1667 hps for 20 promotes or 84/promote

 

You really make an argument for maxing one stat first.

 

 

Edit, math error



#3
Felis Menari

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Seems like an unnecessarily in-depth explanation to me, but I'm sure it will help some people. Nice work.

#4
kmeeg

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Well I was slightly naughty and added 75% because I wanted to show how much the stats mattered in the end. Otherwise it is 10%,20%,30%,40%...

 

But Varbind you really need that cunning up, since willpower will only give you a huge EPH vs. magic.  ;)



#5
Cirvante

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Very helpful. The difference between 150 and 170 is quite significant.


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#6
GreySpectre

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So, does the starting 10 stat not count towards defence? Is this also true for atk and crit?



#7
Ricksmiley

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Yeah imo range defense is best since there are so many archers in the game and some classes have a harder time getting to them. And critical is so nessesary with so many characters passive relying on it. Even tho I know I should grind out the cunning I go pretty close to even across the board because I like to play warriors and mages are op and fun.

#8
Cirvante

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So, does the starting 10 stat not count towards defence? Is this also true for atk and crit?

 

Doesn't count towards defence, but you have a base crit chance of 5%.


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#9
GreySpectre

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Doesn't count towards defence, but you have a base crit chance of 5%.

rip my sanity



#10
Proto

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So going from 10% to 20% gets you 250-111 = 139 hps for 20 promotes or 7/promote

 

going from 70% to 80% gets you 1667 hps for 20 promotes or 84/promote

 

You really make an argument for maxing one stat first.

 

 

Edit, math error

 

Using your current stats: 50/100/35

 

1000 / {[(1-0.20)+(1-0.45)+(1-0.125)]/3} = 1348 EHP

 

Using max cunning: 50/100/35(+135) = 50/100/170

 

1000 / {[(1-0.20)+(1-0.45)+(1-0.80)]/3} = 1936 EHP

 

Using a mix: 50(+60)/100/35(+75) = 110/100/110

 

1300 / {[(1-0.50)+(1-0.45)+(1-0.50)]/3} = 2516 EHP



#11
Medallian

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ok

 

Using your current stats: 50/100/35

 

1000 / {[(1-0.20)+(1-0.45)+(1-0.125)]/3} = 1348 EHP

 

Using max cunning: 50/100/35(+135) = 50/100/170

 

1000 / {[(1-0.20)+(1-0.45)+(1-0.80)]/3} = 1936 EHP

 

Using a mix: 50(+60)/100/35(+75) = 110/100/110

 

1300 / {[(1-0.50)+(1-0.45)+(1-0.50)]/3} = 2516 EHP

ok ok do me 227/391/224


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#12
kmeeg

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Well there is also class and level to determine it more exactly for the base hitpoints



#13
Proto

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Medallian, Kmeeg already did 90% of that for you.

 

A veteran with 170 con/cun/will + 200 hp belt

Base: 1000 hitpoint + (160 con*5 hitpoints) +200 hitpoint belt = 2000 Hitpoints

Stat: 170

Defence: 80% vs. all

Efficient Hitpoints: 10.000

 

All you have to do is add in your HP from constitution.

 

ok ok do me 227/391/224

 

227-10 = 217 * 5 = 1085

 

1000+1085+200(belt) = 2285/(1-0.8) = 11,425 EHP



#14
TormDK

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Crap, I don't like playing Rogues.


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#15
Proto

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Well there is also class and level to determine it more exactly for the base hitpoints

 

Very true. Courtneh, get on that scrub PC account and find out for us. Reaver and Katari you will need to do by level. Thanks mate. 



#16
Beerfish

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The only time I really know what my exact hit points are is when I mouse over my corpse from the fade and say....hmpphh....so I have 0 out of 1487 hit points eh?


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#17
Sulaco_7

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This is very nice.  

 

I know i'm nitpicking, but shouldn't the term be "effective hit points", not "efficient hit points"?  

 

Anyways, good job.


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#18
kmeeg

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This is very nice.  

 

I know i'm nitpicking, but shouldn't the term be "effective hit points", not "efficient hit points"?  

 

Anyways, good job.

 

Well spotted - you are right!

 

I do not always get english therms right since it is my 2nd language.  :(


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#19
Beerfish

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Well spotted - you are right!

 

I do not always get english therms right since it is my 2nd language.  :(

Snicker snicker.   :)


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#20
kmeeg

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Snicker snicker.   :)

 

Argh! hahaha


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#21
Varbind

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But Varbind you really need that cunning up, since willpower will only give you a huge EPH vs. magic.  ;)

 

On it :)


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#22
yarpenthemad21

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Math always welcome but EHP isn't some sort of rocket science really. If you have 50% damage reduction and 1000 health it is obvious that you will need to be damaged by 2000 damage to die.

Still I'm not that sure that we can just skip armor of those calculations.

#23
MGW7

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Also the base health is 500, not 1000, so your base health is half as important, but constitution is double value relatively



#24
Medallian

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Medallian, Kmeeg already did 90% of that for you.

 

 

All you have to do is add in your HP from constitution.

 

 

227-10 = 217 * 5 = 1085

 

1000+1085+200(belt) = 2285/(1-0.8) = 11,425 EHP

lol and now I get it ... this is the formula for non continuous compound intrest you just took out the exponent B(p) = p + p*(1+r/n)^(n*t) >.>  but we dont start out with 1000 hp thought 



#25
Drasca

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This is only true for level 1 characters with no passives or gear, AND it is not a 1H warrior AND you're receiving the exact damage type listed, and there's no armor or other types of damage mitigation.

 

1H Warriors for example have an innate 30% front defense due to all shields always having at least this much.

 

Effective HP during Walking fortress is infinite. Dodging an arrow or melee swing means taking zero damage.

 

It is this sort of oversimplification that overvalues the effect of promotions when there are plenty of other gameplay mechanics and tactics that are far more important and useful.