+5 Haramaki + Mage Armor


Rules Questions

Liberty's Edge

What becomes my AC if I have a Haramaki with +5 enhancement and I cast mage armor?

Does it become 9?


Your AC is 16 (plus any other modifiers). Armour bonuses don't stack. The enhancement bonus applies exclusively to the haramaki, it does not transfer to any other armour source like mage armour.

Your AC will now be 14 instead of 10 against incorporeal touch attacks though.


A +5 haramaki gives you 1 armor and 5 armor enhancement.

Mage armor gives you 4 armor.

They do not stack, so you take the best, which is the 6 total from the haramaki. If you were captured and they took your haramaki, then you would have the 4 for the mage armor.

Mage armor is also a force effect, so you would have 4 armor to incorporeal creatures attacks or other things that ignore regular armor but not force armor.


They both provide an armor bonus so don't stack. You would have +6 AC or +4 against incorporeal.


Melkiador wrote:
They both provide an armor bonus so don't stack. You would have +6 AC or +4 against incorporeal.

The strongest takes place and the weakest ceases functioning.

If a creature receives a larger armor bonus from another source, the bracers of armor cease functioning and do not grant their armor bonus or their armor special abilities. If the bracers of armor grant a larger armor bonus, the other source of armor ceases functioning.


Letric wrote:
Melkiador wrote:
They both provide an armor bonus so don't stack. You would have +6 AC or +4 against incorporeal.

The strongest takes place and the weakest ceases functioning.

If a creature receives a larger armor bonus from another source, the bracers of armor cease functioning and do not grant their armor bonus or their armor special abilities. If the bracers of armor grant a larger armor bonus, the other source of armor ceases functioning.

Against incorporeal, the haramaki provides 0. The mage armor provides 4. Therefore, against incorporeal attacks (or brilliant energy, or other things that ignore physical armor but not force effects) the mage armor is the higher bonus.

Against most attacks, the haramaki is the higher bonus of 6, so it applies and the mage armor is ignored.

Your quote specifically is only relevant to bracers of armor, not all armor. The purpose of that is so that you can't have +1 bracers of fortified, other armor abilities, and still have the armor and enhancement bonus of a suit of armor.

Liberty's Edge

Thanks.


Tarantula wrote:
Letric wrote:
Melkiador wrote:
They both provide an armor bonus so don't stack. You would have +6 AC or +4 against incorporeal.

The strongest takes place and the weakest ceases functioning.

If a creature receives a larger armor bonus from another source, the bracers of armor cease functioning and do not grant their armor bonus or their armor special abilities. If the bracers of armor grant a larger armor bonus, the other source of armor ceases functioning.

Against incorporeal, the haramaki provides 0. The mage armor provides 4. Therefore, against incorporeal attacks (or brilliant energy, or other things that ignore physical armor but not force effects) the mage armor is the higher bonus.

Against most attacks, the haramaki is the higher bonus of 6, so it applies and the mage armor is ignored.

Your quote specifically is only relevant to bracers of armor, not all armor. The purpose of that is so that you can't have +1 bracers of fortified, other armor abilities, and still have the armor and enhancement bonus of a suit of armor.

I'm pretty sure there's not a consensus on that. I can agree on a RAI level but it's up to DM. There's no rule about how Armor and Mage Armor interact, the only reference is Bracers of Armor.


Just noticed that bracers also don't specify that they work against incorporeal. It's possible they are just different kinds of things.


A DM would get a wee bit of the stink eye from me if they pulled that one it has to be said. It's verrry tenuous.


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Melkiador wrote:
Just noticed that bracers also don't specify that they work against incorporeal. It's possible they are just different kinds of things.
CRB p179 Armor Class - Touch Attacks wrote:
Incorporeal touch attacks do not ignore armor bonuses granted by force effects, such as mage armor and bracers of armor.
CRB p504 Bracers of Armor wrote:
They surround the wearer with an invisible but tangible field of force, granting him an armor bonus of +1 to +8, just as though he were wearing armor.


Thanks for the deep dive.


Letric wrote:
Tarantula wrote:
Letric wrote:
Melkiador wrote:
They both provide an armor bonus so don't stack. You would have +6 AC or +4 against incorporeal.

The strongest takes place and the weakest ceases functioning.

If a creature receives a larger armor bonus from another source, the bracers of armor cease functioning and do not grant their armor bonus or their armor special abilities. If the bracers of armor grant a larger armor bonus, the other source of armor ceases functioning.

Against incorporeal, the haramaki provides 0. The mage armor provides 4. Therefore, against incorporeal attacks (or brilliant energy, or other things that ignore physical armor but not force effects) the mage armor is the higher bonus.

Against most attacks, the haramaki is the higher bonus of 6, so it applies and the mage armor is ignored.

Your quote specifically is only relevant to bracers of armor, not all armor. The purpose of that is so that you can't have +1 bracers of fortified, other armor abilities, and still have the armor and enhancement bonus of a suit of armor.

I'm pretty sure there's not a consensus on that. I can agree on a RAI level but it's up to DM. There's no rule about how Armor and Mage Armor interact, the only reference is Bracers of Armor.
CRB p149 Armor wrote:
Armor/Shield Bonus: Each type of armor grants an armor bonus to AC, while shields grant a shield bonus to AC. The armor bonus from a suit of armor doesn’t stack with other effects or items that grant an armor bonus. Similarly, the shield bonus from a shield doesn’t stack with other effects that grant a shield bonus.

Unless you have a rule that allows multiple armor bonuses to stack then you cannot stack armor.

Now, some people then try to state that the armor's enhancement bonus to AC is somehow separate from the AC bonus the armor provides and thus stacks with Mage Armor.

CRB p179 AC wrote:
Enhancement Bonuses: Enhancement bonuses apply to your armor to increase the armor bonus it provides.

So an armor's enhancement bonus enhances the AC of the armor, not the wearer's AC. As a result, it is not separate from the AC of the armor.

Only the highest bonus applies unless the stacking rule states otherwise.

Summary:
Correct calculation:
1armor +5enhancement to armor bonus = 6armor bonus.
6armor bonus > 4armor bonus = 6armor bonus.

Incorrect calculation:
1armor bonus < 4armor bonus = 4armor bonus.
Then add +5enhancement to armor bonus = 9armor bonus.


Gauss wrote:
Now, some people then try to state that the armor's enhancement bonus to AC is somehow separate from the AC bonus the armor provides and thus stacks with Mage Armor.
CRB p179 AC wrote:
Enhancement Bonuses: Enhancement bonuses apply to your armor
So an armor's enhancement bonus enhances the AC of the armor, not the wearer's AC. As a result, it is not separate from the AC of the armor.

But they do stack if one has a natural armor bonus mixed with a natural enhancement bonus? Seems a bit inconsistent. I'm not saying it's wrong, just seems strange.


Joesi wrote:
Gauss wrote:
Now, some people then try to state that the armor's enhancement bonus to AC is somehow separate from the AC bonus the armor provides and thus stacks with Mage Armor.
CRB p179 AC wrote:
Enhancement Bonuses: Enhancement bonuses apply to your armor
So an armor's enhancement bonus enhances the AC of the armor, not the wearer's AC. As a result, it is not separate from the AC of the armor.
But they do stack if one has a natural armor bonus mixed with a natural enhancement bonus? Seems a bit inconsistent. I'm not saying it's wrong, just seems strange.

Armor bonus and natural armor bonus are separate and do stack with each other.


Helpful Harry wrote:
Armor bonus and natural armor bonus are separate and do stack with each other.

That's unrelated to what I said.


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Joesi wrote:
Gauss wrote:
Now, some people then try to state that the armor's enhancement bonus to AC is somehow separate from the AC bonus the armor provides and thus stacks with Mage Armor.
CRB p179 AC wrote:
Enhancement Bonuses: Enhancement bonuses apply to your armor
So an armor's enhancement bonus enhances the AC of the armor, not the wearer's AC. As a result, it is not separate from the AC of the armor.
But they do stack if one has a natural armor bonus mixed with a natural enhancement bonus? Seems a bit inconsistent.

Let me unpack. "Armor bonus" and "natural armor bonus" are two different types.

The other thing to remember is that bonuses are, by their very nature, bonuses TO SOMETHING, and bonuses to different things will both apply (without stacking). I can have a +30 foot enhancement bonus to my speed, a +3 enhancement bonus to damage, and a +2 enhancement bonus to Charisma without any problems.

Magical armor has an enhancement bonus to the armor bonus it grants to AC. In other words, it's a bonus to a bonus. Similarly, an amulet of natural armor grants "an enhancement bonus to [one's] natural armor [bonus]", another bonus to a bonus, but a bonus to a different bonus.

Therefore, both +1 armor and a +1 amulet will improve your AC, one by improving your armor bonus to AC and another by improving your natural armor bonus to AC.


Alright, so there's four bonuses we're talking about. Armor (A), Enhancement to Armor (EA), Natural Armor (NA), and Enhancement to Natural Armor (ENA).

You're allowed to have one each of all four of those apply to your AC. However, EA is never applied to a person. EA only functions on the armor it's applied to. Magic Vestment, the spell that provides EA, has a target line of "armor or shield touched".

NA is different from armor in that it's not granted externally. It's a property of every creature. If you don't have a listed NA, you have an NA bonus of +0. ENA, similarly, is applied to the creature. Barkskin, the spell that provides ENA, has a target line of "living creature touched". It doesn't matter if the creature has more than one source of NA, only the best is used and ENA only applies to that one.

Basically, characters can have directly applied to them A (by wearing it, casting a spell, whatever), NA, and ENA. EA is never applied to the character and the only way the character can benefit is from whatever their source of A is having EA applied. EA on a Haramaki is just that, EA applied only to the Haramaki. If you want EA on Mage Armor, you need some way of enhancing Mage Armor.


Orfamay Quest wrote:
"Armor bonus" and "natural armor bonus" are two different types.

Again I'm not referring to armor bonus interacting with natural armor.

I'm comparing natural armor bonus with natural enhancement bonus.

If I had no natural armor (or 1) and had a natural enhancement bonus, then got natural armor (or more than 1) from something like polymorph, the natural enhancement bonus jumps from my 0+X AC (or 1+X) bonus to X+Y AC bonus.

Also note that I was never saying that this means Armor's enhancement bonus would not stack with something like Mage Armor (I specified that in my post), but rather that it's inconsistent. Just feels a bit weird, even if it is logical the way it works.


Enhancement bonus to AC is not a separate magic item. It is an enhancement you place on a specific item enhances that item's armor bonus.

Enhancement to Natural Armor functions differently in that there is no item to enhance. It enhances YOU, not an item.

If your natural armor bonus is 0 then it enhances the 0. If your natural armor bonus is 4 (perhaps due to wild shape) then it enhances the 4.

Armor and Shield enhancement bonuses are different than just about any other type of enhancement bonus since they enhance the item and are not directly enhancing you.


Joesi wrote:
Orfamay Quest wrote:
"Armor bonus" and "natural armor bonus" are two different types.

Again I'm not referring to armor bonus interacting with natural armor.

I'm comparing natural armor bonus with natural enhancement bonus.

Er, no, you're not. You can't be, because there is no such thing as "natural enhancement bonus." What there is is an "enhancement bonus to natural armor," so you are, in fact, talking about armor bonuses interacting with natural armor bonuses.

Quote:


If I had no natural armor (or 1) and had a natural enhancement bonus, then got natural armor (or more than 1) from something like polymorph, the natural enhancement bonus jumps from my 0+X AC (or 1+X) bonus to X+Y AC bonus.

Sort of. You get both your "armor bonus" and your "natural armor bonus" added to your armor class. Your armor bonus includes both the actual bonus granted by the type of armor you are wearing, as well as any "enhancement bonus" applied to that armor. Similarly, your "natural armor bonus" includes your actual "natural armor" granted by your form -- 0 if you're a normal human, +39 if you're a great wyrm red dragon -- plus any "enhancement bonus" applied to that natural armor.

So, for example, if that great wyrm were wearing full plate (+9 armor bonus) enchanted to +5 (+5 enhancement bonus to the armor bonus), while having a +5 enhancement bonus to natural armor (for example, granted by barkskin), he would have a total armor bonus of all sorts of 9+5+5+39. This is because the barkskin spell makes his skin thicker and harder, while the armor enchantment makes the barding armor protect him better.

AND he could also have a +6 enhancement bonus to his Dexterity as well, which would provide another three points of armor class that would stack with everything above.

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