In d20 and similar games, any sort of extra attack that gets triggered by an enemy opening up his defenses either during his turn or while taking an opportunity action.

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How do I know which Attack a creature would use for an Opportunity Attack?

Take for example a Ruffian CR 1/2 creature, he has a Multiattack Action of 2 Shortswords both with a reach of 5 ft so when something provokes an Opportunity Attack against it, it is obvious that the ...
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69 views

How many Acrobatics checks are needed to pass through a medium creature's threatened area via its space?

I'm trying to understand how using Acrobatics to avoid attacks of opportunity works. The green dot is the creature that wants to move past its foe without provoking any attacks of opportunity. The ...
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260 views

Is a creature's square included in its threatened area?

A creature threatens the squares in which it can make a melee attack, but does that include its own space? (If it's relevant, assume it's a medium creature.)
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91 views

For how long is movement halved when avoiding an attack of opportunity with Acrobatics?

A creature can make an Acrobatics skill check to move through a foe's threatened area without provoking any AoO, but its movement is halved. I wanted to know if the movement is halved: for the entire ...
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94 views

Can you use a weapon sheathed in a Ruby Scabbard in a Opportunity Attack?

Can you use a weapon sheathed in a Ruby Scabbard in a Opportunity Attack? Property This scabbard resizes to fit any light blade or heavy blade. You can draw a weapon from this scabbard as part ...
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67 views

Does making an Opportunity Attack with Lashing Flail cancel the target's movement?

Lashing flail (Martial Power 2, pg.143): Whenever you use a flail to hit an enemy with a melee basic attack, you can slide that enemy 1 square. If an enemy tries to move past me while I have ...
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Can you be tripped by an AoO while standing up?

Let's say "John" is a fighter who has selected a number of feats to focus on tripping his enemies, including Greater Trip, and Combat Reflexes, and wielding a Reach Weapon while under the effect of a ...
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104 views

Battlemind using at-will ability for opportunity attacks

I'm playing a Level 4 Half-Elf Harrier Battlemind. I'm pretty happy with him all up, tanky, hard to hit, doesn't do a huge amount of damage, but can fairly reliably hit his targets. My biggest ...
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170 views

Can Cleric attempt to turn undead instead of usual attack of opportunity?

Turning undead is a supernatural ability that a character can perform as a standard action. It does not provoke attacks of opportunity. You must present your holy symbol to turn undead. Turning is ...
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232 views

When I make my attacks of opportunity with my X-laser, do I get to shoot a line?

So my 6th level scryer/slayer/gunslinger's bonded object is a masterwork X-laser. Our party has an awesome flowing monk with Greater Reposition. I have Snap Shot, Combat Reflexes, and a very high ...
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491 views

Can a single “opportunity” provoke multiple attacks of opportunity from the same creature?

I already know that if you take multiple "acts" while in a threatened square, you provoke multiple attacks of opportunity (for example, if you drink a potion and then move out of a threatened square) ...
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Can a character use a quickened action during an AoO?

I can't quite figure out how this works: I caused an AoO and an enemy dragon used a quickened breath weapon (free action) on me as an AoO, while the rule states that an AoO is a single melee ...
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What square do attacks of opportunity occur in — the square being moved out of or the one being entered [duplicate]

On Pathfinder core rulebook page 180, in regard to Provoking an Attack of Opportunity: Two kinds of action can provoke attack of opportunity: moving out of a threatened square and … Two ...
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227 views

Do reactions like Opportunity Attacks use the regular Attack Roll?

From my past question, I understand that each attack requires an attack roll 1d20+mod, but does this extend to reactions such as Attack of Opportunity as well? The PHB didn't seem to say anything ...
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1k views

Can you make a grapple attack as an Attack of Opportunity

This came up in a game I was in the other day, so I'm curious as to know what people think. A gnome was attempting to flee past us up the stairs and I declared that I'd like to try and stop him, by ...
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3answers
101 views

Natural attacks against electricity-subtype creatures and AoO or AoO-like behavior

So, I was working through an electricity-based dungeon I had written up rather off-the-cuff -- I was the DM, with the party consisting of a human Wiz3 and a wolverine (yes) Rogue3. One of the ...
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Can a Creature with Multiattack use it on an Opportunity Attack?

I am familiar with both concepts in D&D 5E — an opportunity attack allows the creature to take one reaction to make an attack; a multiattack allows monsters with the ability to take a number of ...
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Can I teleport adjacent to a moving enemy, and then take an attack of opportunity?

I was recently discussing interesting tricks that combat casters can use to control the battlefield, and the following scenario comes up. The party is defending something against advancing enemies. ...
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377 views

How are Attacks of Opportunity and Reactions explained in Narrative Time?

I'm not sure if the title is clear. I'll try my best to explain this problem. In Pathfinder, when an enemy moves out of a square within your melee reach, you can perform an Attack of Opportunity ...
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2k views

Does Sentinel's opportunity attack trigger when I shove someone?

Alright, so me and my pal are working through making a 5e fighty Cleric. He wants to take the Sentinel and Shield Master feats. Sentinel and Shield Master's relevant pats read: Sentinel You ...
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256 views

Threatening OA with bare hands

In using an object (PHB 193) it says drawing a weapon can be done as part of another action, such as an attack. If a character has no weapon in his hands, but could draw a longsword, does he threaten ...
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558 views

Does Casting a Ranged Spell While Threatened Provoke Attacks of Opportunity More Than Once?

In normal circumstances - that is, absent an ability, spell, or other condition that states otherwise - a character in Pathfinder provokes attacks of opportunity for casting a spell while threatened. ...
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536 views

Can a Light domain cleric's Warding Flare be used in response to an Attack of Opportunity?

Say a Light domain cleric is adjacent to a hostile creature, and attacks the enemy as its action. After the action, the cleric moves away from the creature, provoking an attack of opportunity, which ...
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1k views

Does standing up from being prone provoke an attack of opportunity? [duplicate]

Does an action to stand up from being knocked prone generate an attack of opportunity (like it does in some earlier editions), or is it only if the target leaves the attacker's reach?
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493 views

Can animals take AoO?

The master in our group doesn't allow animals to take AoO because "they don't have enough intelligence to use that tactic". He says it is documented somewhere but he doesn't remember where... Can ...
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Will both Mage Slayer and Sentinel together reduce an enemy's speed to 0?

If I have both the Mage Slayer feat and the Sentinel feat, will the reaction given to me by Mage Slayer reduce an enemy's speed to 0? Mage Slayer: When a creature within 5 feet of you casts a ...
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211 views

Do melee attacks provoke attacks of opportunity from other combatants?

I know that ranged or unarmed attacks provoke Attacks of Opportunity, but consider this case. There's an enemy one space north of me, and one space east, both threatening and threatened by me. If I ...
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791 views

Taking an attack of opportunity against an attack of opportunity

I came across a situation in my current game where a PC was taking an attack of opportunity against another PC when they moved out of their threatened square. They decided to use a non-lethal attack ...
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310 views

How can I gain an attack of opportunity when a creature moves INTO reach?

Is there any way to reliably to gain an attack of opportunity when a creature moves into your reach? I already know you get one when a creature moves by you or away from you, and that's not what I'm ...
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158 views

I want to be hit, but my AC is too high [duplicate]

One of my players has a build that grants advantages when he is hit, especially when hit by an Opportunity Attack. The problem is that his AC is very high, so straight rolls miss. My natural ...
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1answer
212 views

Do touch-range spells create an attack of opportunity?

If I cast a touch spell, such as Bull Strength, does it provoke an Attack of Opportunity? I realize that touch attack spells do not, but is that still the case if I'm not attacking?
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Does drinking a potion permit an opportunity attack?

I've seen a question on here before that mentioned drinking a potion opens up a character to an opportunity attack, but the question was referring to Pathfinder. Is this the case for DnD 5e?
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Does moving into an opponent's square generate an Attack of Opportunity when you do so with a 5-foot step?

This question is relevant specifically to creatures with a reach equal to 0', as they have to go into opponents' squares in order to attack. From Big and Little Creatures in Combat: Tiny, ...
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732 views

Does moving around an opponent trigger an Opportunity Attack?

I'll try to be as specific as possible. In the first diagram, creature A wants to attack creature B. In the second diagram, it moves 5 squares to the back of creature B and attacks. · · · A · · · | ...
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Attacks of Opportunity while holding a reach and a non-reach weapon

Assume I wield a Whip in one hand and a dagger in the other. If a creature moves from 5ft to 10ft it has technically moved out of my reach (dagger), but at the same time it is still inside my reach ...
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Do rogues get sneak attack damage added to attacks made outside their turn?

PHB says 'once per turn,' so, it would seem that a Rogue with Sentinel, for example, could "consistently" deal Sneak attack twice per round (whether the enemy triggers an OA or the melee weapon attack ...
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Does a reach weapon allow you to threaten squares 10 feet away or not?

In D&D 5e, does a reach weapon allow you to threaten squares up to 10 feet away for the purpose of Opportunity Attacks or does it just allow you to attack squares up to 10 feet away? There is ...
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1answer
2k views

How many times does Sneak Attack damage apply?

In 3.5e, I used to add Sneak Attack damages to all the attacks of my character as long as the target was flat-footed or flanked or... However, when discussing the feature with wax eagle he mentioned ...
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152 views

Using a Readied Action to avoid Opportunity Attacks

In 4E, combatants can't take Opportunity Actions (OAs) and Immediate Actions (IAs) on their own turn. Some Defenders function by getting to make OAs or IAs whenever the enemy attacks or shifts. This ...
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When can I make opportunity attacks?

What provokes an opportunity attack? In 3.X moving out of a threatened square, standing up from prone, casting a spell (unless cast defensively), or making a ranged attack provoked, while in 4e ...
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363 views

AoOs against the same enemy on his turn?

I have seen this question for D&D 4e: Attacks of Opportunity from moving within a threatened area? and I was wondering about attacks of opportunity in Pathfinder/3.5e. If an enemy goes from one ...
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712 views

Enemies AoO generate AoOs? AoOs for non-beginners, understanding Karmic Strike and Robilar's gambit

I've got a robilar knockback dungeoncrasher build and I want to fully understand how does it work. So, let me get this stright: Jack the barbarian has a sword on his hand and both feats in the title ...
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2answers
519 views

How can I discharge a touch spell on an attack without provoking an AoO?

Is there a way to basically hit someone in the face with a charged spell in hand, without provoking an attack of opportunity? In the core rules it says that you can perform an unarmed strike or ...
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3answers
2k views

Attack of Opportunity with ranged weapons

Attacks of Opportunity with a ranged weapon seems like an insane concept. The way I understand it, if a creature were to move within range of a PC's light crossbow it would trigger an AoO. If so that ...
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841 views

Does a rogue get precision damage during an attack of opportunity if flanking?

In the Pathfinder rules here's what it says: If a rogue can catch an opponent when he is unable to defend himself effectively from her attack, she can strike a vital spot for extra damage. ...
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437 views

Does an invisible creature trigger an opportunity attack if it makes a ranged attack

Does an invisible creature trigger an opportunity attack if it makes a ranged attack? And if it does, is the opportunity attack -5 as it's against an invisible creature? Where does the invisibility ...
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304 views

What's with the Paladin's ranged powers? Do they provoke opportunity attacks?

So I am a little bit confused. I am currently playing a Paladin built for tanking and holding the front while my party hopefully finishes the enemy off before I die. I was looking though some of the ...
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509 views

Do you provoke opportunity attacks when flying?

Moving away from a square which is within threatening reach of an enemy, provokes OA if one does not shift, is pushed/pulled/slid or teleports. Further, so far I know, squares are 3d, as indicated ...
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371 views

Do large creatures provoke Opportunity Attacks when moving if some part of them still occupies the threatened square?

This scenario happened in our 4E game last night. A Troll (2x2) started in a non-threatened space and tried to move 2 squares to attack the cleric. With the first step, it entered a square ...
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D&D 3.5e understanding attacks of opportunity

I am currently assisting in the dming of the game as far as understanding rules. in the last game session we played i experianced a AoO for the first time as did the actual dm. A pc(1) was engaged in ...