Questions tagged [armor-class]

For questions about Armor Class (AC), the mechanical abstraction of how difficult it is to hit and cause damage to an opponent in D&D and related RPGs.

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13
votes
1answer
5k views

Does an Enhancement bonus on clothing become an Armor bonus?

Given this discussion I had here about combining Magic Vestment and Coat of Many Stars: Targeting what you're wearing would get you two different, non-stacking sources of Armor bonus. – Zachiel ...
10
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3answers
11k views

Can Monks gain the benefit of the Dual Wielder Feat with their Unarmed Strikes?

Simply put - can the Monk class use the Dual Wielder Feat with: A (monk) weapon and an unarmed strike? An unarmed strike "in each hand"? Admittedly this is a similar question to this post about ...
8
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4answers
47k views

Average/optimal AC for core classes per level

I've seen time and again that someone mentions someone has a low or a high AC for his class. So I'm wondering: Is there something like a list for what AC the core classes should have per level (...
12
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3answers
11k views

What is the AC of an inanimate object?

In D&D 5e, what is the AC of an inanimate object, in case someone wants to attack it? Does it depend on its size? Is it different depending on whether you are making a ranged or melee attack?
25
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3answers
324k views

What exactly is “base AC”?

The phrase "base AC" appears in the D&D 5E basic rules exactly once, in the description of the Mage Armor spell. This says: The target’s base AC becomes 13 + its Dexterity modifier. But if ...
12
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4answers
38k views

How does barkskin work?

Now the wording in the spell description is extremely vague and ambiguous making the spell effect up for interpretation. It just says: ... the target's AC can't be less than 16, regardless of what ...
27
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4answers
54k views

How does Mage Armor interact with Unarmored Defense?

If a character with the Unarmoured Defence class feature casts Mage Armour, what is their AC? Do they choose which 'base' AC they take, or do they stack somehow? Is there rules text that explains ...
9
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6answers
3k views

What methods exist to get your AC higher than 20 without magic items?

I was poking around answering for this question about the highest AC possible for a sorcerer and noticed something odd. It doesn't seem to be possible except in the case of the Barbarian to naturally ...
26
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8answers
37k views

What is the highest AC possible for a sorcerer?

What is the highest Armor Class achievable for a Sorcerer with the Sorcerous Origin of Draconic Bloodline? Player's Handbook Chapter 6 variant rules included. (Multiclassing, Feats, etc.)
15
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1answer
9k views

Does Mage Armor stack with the Shield spell?

Mage Armor sets the target's base AC to 13+Dex. The Shield spell gives you a +5 bonus to AC. If you cast both on yourself, does that give you an effective AC of 18+Dex while both spells are in effect?
2
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1answer
744 views

Is Magic Armor with an Enhancement Bonus over 4 Automatically Masterwork Armor?

Motivation After seeing this comment, I read this answer and this answer. This gave me the distinct impression that any magic armor with an enhancement bonus of +4 or more is automatically ...
12
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2answers
3k views

How to improve AC when it's so low that enemies hit on 3–5?

The AC of my character is falling far behind her other defenses, and I'm wondering if I have missed out on something basic and important. I am going to post some of her stats as an example to this ...
15
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9answers
13k views

Is AC really as powerful as I think it is?

My understanding of AC is that an enemy must roll higher than your AC to take any damage on you. However, if this is the case, wouldn't a player only need an AC higher than 20 to be invincible? I am ...
2
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2answers
3k views

Are there items that can be worn under/in addition to armor that grant AC bonuses?

Pretty self-explanatory; I began wondering this when I misread the description of Mithral Shirt and thought it could be worn on the body slot in addition to existing armor to grant additional AC ...
3
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2answers
40k views

Do you get a proficiency bonus to AC?

Do you get a proficiency bonus to AC when wearing armor you are proficient with?
23
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2answers
37k views

In what situations would a target be denied a Dex bonus to AC?

I have an encounter coming up where my PCs will face a high level rogue. Naturally, I'd like to use his sneak attack ability, but I've never played a rogue before so I'm light on experience. From the ...
7
votes
1answer
377 views

Does Armor have a base +1 AC if made for tiny creatures?

According to the Armor for Unusual Creatures table, tiny or smaller creatures receive half the AC from armor. So what happens to the armor bonus when the armor bonus is only +1? For example, Gnome ...
7
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2answers
1k views

Armor as DR alternate rules: Do untyped AC bonuses apply to Defense or DR?

I'm starting a Pathfinder Campaign with the alternate rule for armor as damage reduction. I'm just wondering what gets changed to damage reduction and what stays defense. For example, a shield's AC ...
7
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2answers
27k views

Armor's effect on skills

If I read this correctly then it means that the armor I choose will affect my Dex and Str based skills. Any armor heavier than leather, as well as any shield, hurts a character's ability to use ...
3
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2answers
3k views

Plate armor question

I was playing around with the Character Builder and noticed an oddity with my level 7 half-orc Knight: My character with no armor has a net AC of 16 [10 +3 (half level) +2 (heavy shield) +1 (dex)]. I ...
20
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6answers
34k views

How do you calculate THAC0?

We're playing AD&D 1st edition and we have been asked by the DM to calculate our THAC0s so as to speed things up. So, I get what THAC0 stands for (To Hit Armour Class 0) but it's not something I ...
13
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2answers
3k views

How does __(Dexterity) vs. AC work?

I'm working through the new Red Box, and have ended up with a character with the at-will Bump And Run power. The attack is listed as __ (Dexterity) vs. AC Is ...

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