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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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11
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3answers
47k views

How does the AC evolve with high levels?

I am currently DMing a group with an average level of 10. This is my first experience as DM so I have never mastered high levels. Current ACs are reasonably high at the moment (22 for the Paladin with ...
11
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2answers
1k views

What is the AC of Land Vehicles?

In regards to the AC and HP of vehicles, the DMG includes a table on Water and Air vehicles on page 119. However, no analogous table exists for Land Vehicles. I am aware of the rules on Objects in ...
11
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3answers
9k 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?
11
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1answer
388 views

Share monk AC bonus with animal companion mount?

I have a swift and deadly hunter variant druid, who gains “Bonus to Armor Class when unarmored (as monk, including Wisdom bonus to AC).” He rides his animal companion as a mount. I was wondering if ...
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 ...
10
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2answers
1k views

Can a warforged druid use composite plating?

A druid gains medium armor proficiency, but is not allowed to use metal armor. A warforged with medium armor proficiency can normally set their Integrated Protection to Composite Plating, granting an ...
10
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2answers
3k views

When using a tower shields total cover ability, do you lose its AC bonus?

One of my players raised an interesting observation about how the tower shield is worded. In most situations, a tower shield provides the indicated shield bonus to your Armor Class. As a standard ...
9
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3answers
20k views

Are there other modifiers to AC?

My knowledge of D&D is primarily 3.5. In that edition, there were many modifiers that affect AC, Natural Armor, Deflection Modifier, Dodge Bonus, Insight Bonus, Luck Bonus, and Sacred Bonus. I ...
9
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5answers
18k views

Does Mage Armor have any advantages over magic Studded Leather +X?

Does Mage Armor have any advantages over Studded Leather +1 or even Studded Leather +2?
9
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4answers
2k 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 ...
8
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2answers
2k views

Do temporary changes to your Dexterity modifier immediately affect your AC?

If you are in combat and an effect increases or decreases your Dexterity enough to change the modifier, does your AC also immediately change to use the new modifier?
8
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6answers
2k views

Do the AC Bonus (Ex) class abilities of monks and swordsages stack?

Monk and Swordsage both get the class feature AC Bonus (Ex). Monk: When unarmored and unencumbered, the monk adds her Wisdom bonus (if any) to her AC. In addition, a monk gains a +1 bonus to AC ...
8
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5answers
5k views

Staff of Defense total AC and Shield Stacking

My party is about to confront Glasstaff and potentially obtain the Staff of Defense. This slender, hollow staff is made of glass yet is as strong as oak. It weighs 3 pounds. You must be attuned to ...
8
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1answer
612 views

Is the AC of a Mirror Image Duplicate fixed at Point of Casting?

The spell Mirror Image states the following: A duplicate's AC equals 10 + your Dexterity modifier. However - if you were to cast Mirror Image, and then change your DEX (e.g. by equipping/...
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3answers
1k views

Does a lycanthrope's AC change when shapechanged from a form wearing armor?

Weretigers (and all lyncathropes; Monster Manual p. 210) have the Shapechanger trait: The weretiger can use its action to polymorph into a tiger-humanoid hybrid or into a tiger, or back into its ...
8
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4answers
45k 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 (...
7
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4answers
3k views

What is the highest possible permanent AC at character creation?

Assuming you are level 1 and have access to any item that you can afford at character creation rolling the maximum amount of starting gold, how high can your permanent AC become (permanently, not for ...
7
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2answers
2k views

Does the Monk retain his AC Bonus if he loses his Dex bonus to AC?

Does a monk retain the AC bonus from the AC Bonus (Ex) class feature if he loses his Dex bonus to AC? It says he retains it if he's flat-footed, but there are other ways to lose your Dex bonus to AC.
7
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1answer
2k views

Does a monster's AC change when it doesn't use its shield?

Every monster has a specific AC in its stats block. The rules don't explicitly say anything like "subtract 2 from AC if the creature doesn't use a shield", do they? Does that mean a monster always has ...
7
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2answers
26k 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 ...
7
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1answer
2k views

Can a monk “wear” Mage Armor without losing their wisdom bonus to AC?

Can a monk use mage armor without losing their wisdom bonus to AC (in 3.5e)? More generally, can a divine caster wearing a monk's belt use greater luminous armor without losing their wisdom bonus to ...
7
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3answers
407 views

What happens if AC is not static for Know Your Enemy?

Know Your Enemy is a Battlemaster feature that lets you determine whether a creature's Armor Class is superior, equal to, or inferior to yours. What happens if a character's Armor Class changes ...
7
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1answer
571 views

Do AC-increasing items impair a monk's Unarmored Defense as if they were armor?

It's my first campaign, and I'm playing as a monk. My party recently discovered a ring of protection that increases AC by 1, and my party members want to give it to me. I didn't know whether wearing ...
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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1answer
374 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 ...
6
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2answers
5k views

Would the AC from a Sorcerer's Draconic Resistance combine with a Monk's Unarmoured Defence?

Reading from the Player's Handbook. If you pick a Sorcerer with the Draconic Bloodline you get a base AC of 13 (as long as you wear no armour, page 102). If you multi-class that with a Monk you get ...
6
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6answers
10k views

Is your character's ability to avoid attacks based solely on AC?

I'm new to D&D. I was wondering about a character's ability to dodge attacks that target them. Is AC the only way for a character to avoid being hit, or is there something else that I've missed?...
6
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3answers
7k views

Does the Lizardfolk NPC template's bonus to AC apply when armored, or only when unarmored?

DMG p. 282 gives guidance for modifying NPC stat blocks to adapt them for specific monster races. For lizardfolk, one of the listed modifications is a "+3 natural armor bonus to AC". A friend and I ...
6
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1answer
3k views

Do any of these sources of AC bonuses conflict or negate each other?

My understanding, confirmed by the answer to this question: When a War Caster Wizard carrying a shield casts the spell "Shield" does the AC bonus Stack? is that anywhere an actual +N bonus ...
6
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1answer
219 views

Does the Armor Class of a potion vial include the users Dexterity modifier?

Page 478 of the core rulebook states: A typical potion or oil consists of 1 ounce of liquid held in a ceramic or glass vial fitted with a tight stopper. The stoppered container is usually no ...
6
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1answer
231 views

Is there any way I can increase my griffon's AC?

I’m a level 3 Sorcerer and I have a griffon figurine that allows me to summon a griffon. My DM allows me to use it once a day (lasting 6 hours) and it has a base AC of 12. I can increase it to 13+Dex ...
6
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1answer
829 views

Does the UA Mystic's Tough Hide bestial transformation (+2 AC) stack with the UA Warforged's Composite Plating trait (+1 AC)?

Unearthed Arcana: The Mystic Class contains the most recent version of the Mystic class (v3). One of the psionic disciplines listed is Bestial Form; one of its psionic effects is Bestial ...
6
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1answer
821 views

Calculating AC for a monk/enlightened paladin

Monks get an AC bonus from WIS. The paladin archetype “Enlightened Paladin” from the Inner Sea Combat Guide gains an AC Bonus based off of CHA? Can those stack?
5
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2answers
15k views

Can my warlock benefit both from the Mage Armor spell and leather armor?

Currently making a 5E Warlock for an upcoming session, and I'm wondering how this particular interaction works: I, as a Warlock, start with leather armor. I'm considering having Armor of Shadows as ...
5
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2answers
2k views

Is my DM being too severe? [closed]

I want to know if my GM is being too harsh on us, as this is our first adventure, so none of us are sure. My party just became level 9. I feel that as a party, our AC is low all around. For example, ...
5
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2answers
2k views

How is final AC calculated when you have a Natural AC and an Armored AC?

I'm making a vampire player character, with a little bit of homebrew to give it some of the 5e vampire traits without being broken, and one of the traits that I'm carrying over is natural armor of 16. ...
5
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3answers
13k views

Average AC of monsters per CR?

In D&D 4e, you could tell most monster's AC just from its level and role (Brute, Skirmisher, Soldier). This is not the case in 5e, but an estimation would be very useful when you try to compare ...
5
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1answer
2k views

Can I benefit from magical armour while using Mage Armour?

A suit of Studded Leather sets AC to 12 + Dex. A suit of magical +1 Studded Leather gives a +1 bonus to AC while you wear it, for a total of 12 + Dex +1. Mage Armour gives an AC of 13 + Dex. This is ...
5
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1answer
855 views

AC calculations in the D&D 5e German Starter Set

I'm just getting into D&D and I'm having trouble understanding the calculations of the ac right. On the predefined character sheets in the Starter Set, each character has his "starting" AC value ...
5
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2answers
621 views

What AC is used when a prepared action is used to shoot something thats being thrown?

If an archer has prepared an action to shoot using a bow/crossbow/... when an alchemist is going to throw a bomb. What kind of check is it to hit the bomb as he is throwing it? I dont think you would ...
5
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1answer
540 views

Does natural armor of Sorcerer stack with lycanthropy?

My question is whether natural armor of a Sorcerer gained by Draconic Resilience (13 + Dex modifier) does stack with the bonus on natural armor by, e.g., the werebear template ('a +1 bonus to AC while ...
5
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1answer
12k views

Ranger Attack Bonus seems too high

I'm DM for my group of friends and have a question about our Ranger. He was level 6 last session, and had a +11 to hit. +5 from DEX, +3 prof, +2 from Archery style, and +1 from his bow. Against the ...
5
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1answer
192 views

When doesn't a Mystic Wanderer AC bonus apply?

The Mystic Wanderer PrC (Magic of Faerûn p. 35) allows one to add Cha to AC: Glory of the Divine (Su): A mystic wanderer who wears no armor gains a sacred (or profane, if her patron deity is evil) ...
5
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1answer
179 views

What's the AC of the contents of a sack?

An archer sees a motionless, unattended sack in the forest. He shoots it with an arrow from a short bow. He does not know the contents; he's just shooting at the sack in general. There are potions of ...
5
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2answers
20k views

Charisma Mod to AC?

Is there a way to get your Charisma Modifier to AC other than different revelations* for oracles? I've been looking through the content on the PFSRD and can't find one. I'm hoping there might be ...
5
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1answer
69 views

Is the Wall of Blades maneuver affected by AC penalties?

Do AC penalties (and bonuses, for that matter) apply to the Wall of Blades manuever? Bob the martial adept has prepared Wall of Blades this morning. He also acquired Shocktrooper last week. Bob's ...
5
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1answer
239 views

Can you wear Bracers of Armor or an Amulet of Natural Armor with Dragonscale Husk?

Dragonscale Husk, from Dragon Magic, is a cool alternate class feature (ACF) for characters with dragon blood and proficiency in heavy armor. It's useful for a lot of reasons: decent defenses that ...
4
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2answers
672 views

Mage Armor with Defense fighting style (for Adventurers League bladeslinger)

The Defense fighting style says: While you are wearing armor, you gain a +1 bonus to AC. Can use still use this if your mage armor AC is overriding your armor's AC because you are still wearing ...
4
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1answer
4k views

Do Mage Armor, Robes of Archmagi, and Dragon Mask stack?

Would the spell mage armor stack with robes of the archmagi and/or the dragon mask from HotDQ?
4
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1answer
1k views

How does the AC bonus of a Monk's belt work when worn by a non-monk?

The monk class states: AC Bonus (Ex): A monk is highly trained at dodging blows, and she has a sixth sense that lets her avoid even unanticipated attacks. When unarmored and unencumbered, the monk ...