Armor Bonus and Natuarl Armor Bonus Stacking question for Summoner Eidolon


Rules Questions


Ok, here is my question can a player choose to put all the armor bonus he gets for his eidolon based on the eidolon chart into his eidolon's natural armor and that in turn stacks with the natural armor bonuses the eidolon gets from the base form it has, such as biped, and evolutions it takes.

I know eidolons can't wear armor, but does share magic item slots with its summoner. So the eidlon can wear the magic item bracers of armor which gives an armor bonus of 1-8.

I know two same type bonuses from different sources do not stack with each other unless other wise specified in the rules. The only bonuses that do stack are untyped ones.

Now the armor bonus that the eidolon gets from the chart as the summoner lvls up can be either put into it's regular armor bonus or it's natural armor bonus. Now if I put the armor bonus form the chart all into the eildon's natural armor bonus then it should stack with those it gets from its base form as well as the one it gets from the evolutions it has.

I base this on this excerpt found in the Unchained Eidolon section(I am playing an Unchained Summoner,) Armor Bonus: The number noted here is the eidolon's base total armor bonus. This bonus can be split between an armor bonus and a natural armor bonus, as decided by the summoner. This number is modified by the eidolon's base form and some options available through its evolution pool. An eidolon cannot wear armor of any kind, as the armor interferes with the summoner's connection to the eidolon.

For example my PC is an Unchained Summoner with the Syntheist Archetype.
I know my PC cannot have the benefits of his armor when fused with his eidolon.

I want to give an example of how my AC would be for my PC around lvl 4 when fused with the eidolon. My eidolon has the azata subtype and gets the +2 natural armor for being a biped. I would get a +2 armor bonus from the chart which then would be put into the natural armor bonus. I would take the improved natural armor evolution which gives a +2 bonus to the eidolon's natural armor. I would have my eidlon's dex stat which would be 13 and give +1 to my AC thanks to the dex modifier. I would have the bracers of armor +2 equipped which would give me +2 armor bonus to my AC.

So a Quick Recap:

+10 I get from my regular base AC
+1 from my dex modier
+6 natural armor bonus(+2 chart bonus,+2 evolution, +2 biped)
+2 bracers of armor

That would give give a 19 AC when added all together. I could even make the AC even higher with other magic items such a ring of protection or an amulet of natural armor.

Am I getting this right or did I mess up or get something wrong. Any feedback/advice would be appreciated.


It's fine.

I wouldn't bother with bracers of armor until you can get +5 or better, though. Until then mage armor, either cast by the summoner or from a wand will be better. Single charge from a wand will last for a single hour, but you can get 5o charges for 750 gp. When cast by a summoner it will cost nothing and last longer, if you are willing to use up one of your first level spells know.


yup, all in natural stacks and makes it really high and allows for an actual armor bonus to be put on.


Armor Bonuses and Natural Armor Bonuses stack.

The key thing to note is that effects which increase your existing Natural Armor do stack with whatever Natural Armor you have, however, if something says you simply gain a Natural Armor bonus, it does not stack.

For example, if I have a +2 Natural Armor Bonus from being a Tiefling with Armor of the Pit, and I take levels in Dragon Disciple (silly, I know), Dragon Disciple gets a feature that increases your existing Natural Armor by +1; this stacks with my +2, to become a +3. If I, for example, cast Beast Shape I to gain a Natural Armor Bonus instead, it doesn't stack, because there is no language that says it adds to my existing bonus (as with the above example).


Quote:
I know two same type bonuses from different sources do not stack with each other unless other wise specified in the rules. The only bonuses that do stack are untyped ones.

This line of thinking needs to die in a fire with this community. There are a lot of nuances to that rule.


Buri Reborn wrote:
Quote:
I know two same type bonuses from different sources do not stack with each other unless other wise specified in the rules. The only bonuses that do stack are untyped ones.
This line of thinking needs to die in a fire with this community. There are a lot of nuances to that rule.

He's not technically wrong.

The exceptions are (I believe) Untyped (unless same source), Dodge, Racial, and Circumstance bonuses (which, like Untyped, doesn't work if it's same source), and they are specifically listed as generally stacking.

Everything else doesn't stack with itself unless it specifically says so, as the rule says.


Don't forget morale bonuses.


I was asking this because I wanted to equip the bracers of armor to increase my AC with the armor bonus I get from it, but if my eidolon has an armor bonus already form its base armor bonus it gets from the chart then I think that would not stack with the one I get from the bracers of armor. That is why I want to put all of the armor bonus I get from the eidolon chart as I lvl into my natural armor. So I can have armor bonus from the bracers of armor instead for a much higher AC total.


swordfalcon wrote:
I was asking this because I wanted to equip the bracers of armor to increase my AC with the armor bonus I get from it, but if my eidolon has an armor bonus already form its base armor bonus it gets from the chart then I think that would not stack with the one I get from the bracers of armor. That is why I want to put all of the armor bonus I get from the eidolon chart as I lvl into my natural armor. So I can have armor bonus from the bracers of armor instead for a much higher AC total.

Which is way fine. I think this is a bit by design and allows for adjustments for gear/coin light games as well as gear/coin heavy games. My post was more at that general line that often gets repeated and not your situation. It causes more confusion than it relieves, I find.


Buri Reborn wrote:
Don't forget morale bonuses.

Could you cite the source for this? The combining effects rule in magic section only list dodge, racial, and circumstance bonuses as stacking with other bonuses of the same type - I was always under impression morale bonuses do not stack with other morale bonuses, only the highest applies.


Drejk wrote:
Buri Reborn wrote:
Don't forget morale bonuses.
Could you cite the source for this? The combining effects rule in magic section only list dodge, racial, and circumstance bonuses as stacking with other bonuses of the same type - I was always under impression morale bonuses do not stack with other morale bonuses, only the highest applies.

I second the [citation needed] request.

Last I checked, Morale Bonuses didn't stack, and wasn't listed as one of the exceptions.

Of course, effects which improve existing bonuses would apply, as they aren't the same thing, though those would still fall under the same source stacking clause.


The important aspect of bonus types is that two bonuses of the same type don't generally stack. With the exception of dodge bonuses, most circumstance bonuses, and racial bonuses, only the better bonus of a given type works. Bonuses without a type always stack, unless they are from the same source.

OK with this in mind the thing with the bonuses that always do stack, unless they are from the same source, what kinda of scenario would that apply to.

One of the ones I can think of would be like if I had a class feature that would apply my charisma ability modifier bonus to my initiative instead of my dex one and then tried to take a feat that did basically same thing, such as scion of war. Those would not stack because they are both using the Charisma modifier(same source) for my initiative.

Is this a right example or if it isn't can someone explain one to me.


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swordfalcon wrote:

The important aspect of bonus types is that two bonuses of the same type don't generally stack. With the exception of dodge bonuses, most circumstance bonuses, and racial bonuses, only the better bonus of a given type works. Bonuses without a type always stack, unless they are from the same source.

OK with this in mind the thing with the bonuses that always do stack, unless they are from the same source, what kinda of scenario would that apply to.

One of the ones I can think of would be like if I had a class feature that would apply my charisma ability modifier bonus to my initiative instead of my dex one and then tried to take a feat that did basically same thing, such as scion of war. Those would not stack because they are both using the Charisma modifier(same source) for my initiative.

Is this a right example or if it isn't can someone explain one to me.

It is correct, but not because of what you listed.

There is a FAQ that specifically notes attribute bonuses, such as Charisma or Strength, as being a source for abilities that grant untyped bonuses equal to those modifiers. So, a bonus equal to your Charisma is the same as a Charisma Bonus, which doesn't stack with itself because the source of an untyped bonus (that scales with an attribute) becomes that attribute.

However, if you have a Deflection Bonus equal to your Charisma, that type is already defined as being a Deflection Bonus, and as such wouldn't stack with any other Deflection Bonuses you may possess.

Here's the full FAQ entry.


Drejk wrote:
Buri Reborn wrote:
Don't forget morale bonuses.
Could you cite the source for this? The combining effects rule in magic section only list dodge, racial, and circumstance bonuses as stacking with other bonuses of the same type - I was always under impression morale bonuses do not stack with other morale bonuses, only the highest applies.
Darksol the Painbringer wrote:
Drejk wrote:
Buri Reborn wrote:
Don't forget morale bonuses.
Could you cite the source for this? The combining effects rule in magic section only list dodge, racial, and circumstance bonuses as stacking with other bonuses of the same type - I was always under impression morale bonuses do not stack with other morale bonuses, only the highest applies.

I second the [citation needed] request.

Last I checked, Morale Bonuses didn't stack, and wasn't listed as one of the exceptions.

Of course, effects which improve existing bonuses would apply, as they aren't the same thing, though those would still fall under the same source stacking clause.

Hmm. No, I can't find it. I checked other PRD entires and the CRB FAQs. This very well could have been a house rule I'm misremembering from back in the day.

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