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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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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My group's misunderstood opportunity attacks for years; what to do now I know this?

So, it turns out that my group has been doing shifting/OAs wrong for the 2½ years and the four campaigns we've played 4.0. We've always assumed that non-shift movement was safe, as long as it was ...
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4answers
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Why does shifting in D&D 4 not provoke Opportunity Attacks?

My gaming group is brand new. We had our first session tonight. I had a few questions for this SE... the first is this one. Why does shifting in D&D 4 not provoke Opportunity Attacks? Or am I ...
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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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If an enemy moves and provokes an opportunity attack, where are they when the AoO happens?

I was surprised to find no mention of this in the Opportunity Attack rules on d20pfsrd or on the Paizo SRD: if an enemy moves from tile A to tile B and provokes an opportunity attack from me in doing ...
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What is the reason for introducing the rule for Attacks of Opportunity in D&D?

The Attacks of Opportunity are an important part in D&D and spinoffs of the game like Pathfinder. What does this rule for the game-system? How does it affect the fun of the players? Why was this ...
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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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Does making an opportunity attack with a ranged weapon provoke an opportunity attack?

If I make an opportunity attack with a ranged weapon (e.g., a crossbow) against an adjacent enemy, does it provoke an opportunity attack as well?
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If a readied ranged attack action is used against the appearance of a burrowing creature, does the attack provoke an attack of opportunity?

In a recent D&D 4e session the characters readied an action, with the condition being the appearance of a burrowing creature from the ground. Suddenly the creature burst from the ground in front ...
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787 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 ...
12
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1answer
698 views

Does movement whilst hidden provoke opportunity attacks?

Playing a rogue in my first two D&D Sessions ever thanks to online tabletop (a god send, really!) However, I've come to learn that it's not an easy task (however, my healer has kept me from death ...
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381 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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Does a falling creature provoke Opportunity Attacks on the way down?

I'm in a D&D4e game right now, and in the current combat there are some flying creatures which may soon be knocked prone by PC #1. As part of being knocked prone, a flying creature falls to the ...
9
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3answers
422 views

If movement is interrupted and an enemy occupies the destination square, is the movement lost?

Rules Compendium p.195 states: If an interrupt invalidates a triggering action, the triggering action is lost. It also states on p.197 that Opportunity Actions Interrupt the triggering action. ...
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How can you force an opponent to provoke an opportunity attack?

I'm wondering if there's any way to give the fighter an extra attack by forcing the opponent to move out of a threatened square. Does bull rush provoke an opportunity attack against the target? Bull ...
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2answers
345 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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583 views

Does a defender get to respond to a marked target making an opportunity attack on another PC?

Had a moment in my last session where the Striker provoked an Opportunity Attack from a Monster that was marked by the Defender. After the attack was resolved, our Defender wanted to respond with his ...
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5e Sentinel Opportunity Attacks

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 reads: Sentinel You have mastered techniques to take ...
8
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1answer
470 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 ...
8
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1answer
319 views

Does the Direct The Strike power provoke OA?

Does using the Warlord's Direct The Strike power provoke opportunity attacks? It is a Ranged 5 power with only the Martial keyword (not an Implement or Weapon attack). It seems to me like it should ...
8
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1answer
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When a creature is prone, can it make opportunity attacks?

If a creature is knocked prone, can it still make opportunity attacks?
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1answer
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Can a creature use an immediate interrupt power and an opportunity attack in the same round?

Can one creature or character use both an immediate interrupt and an opportunity attack in the same round, or are they mutually exclusive actions?
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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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In 3.5 DnD, readying a move action to go adjacent to an enemy provoking AoO

If you ready an action to move into threat range of an enemy triggered by that enemy doing something that would trigger an Attack of Opportunity (such as casting a spell or moving out of a square), do ...
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1answer
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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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767 views

Combat Challenge vs Opportunity Attack - which happens first?

If a fighter has marked an enemy, and the enemy does a ranged attack against someone other than the fighter, I believe the fighter can attack using Combat Challenge as the enemy is making an attack ...
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264 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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In D&D 3.5 Why does “Withdraw” not trigger an “Attack of Opportunity”?

In D&D 3.5 "Withdraw" is defined as follows: Withdrawing from melee combat is a full-round action. When you withdraw, you can move up to double your speed. The square you start out in is ...
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3answers
988 views

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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Does phasing away from an opponent provoke an attack of opportunity?

I know the rules for opportunity attacks: the only way to avoid an attack of opportunity is to either shift away or teleport away. However, if a creature moves via phasing, do they still trigger ...
7
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2answers
517 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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3answers
661 views

Can you shift, or move your speed, while squeezing?

One would imagine that movement while squeezing would be somewhat hindered, as making oneself occupy less than their normal space is not an easy task. In reading comments to a recent answer on the ...
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Attack of Opportunity & spell casting

I'm a little stumped with this. Example, casting a spell, 1 standard action provokes attack of opportunity. The enemy is allowed a single melee attack. So, each time the wizard casts a spell, ...
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1answer
771 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 ...
7
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1answer
402 views

Do bonuses against Opportunity Attacks stack?

I have started playing a halfling rogue. His racial bonus to AC against Opportunity Attacks is +2. Because he is an Artful Dodger he also has a class feature of adding his CHA MOD (which is +5) to his ...
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3answers
400 views

Can a creature inside a Stinking Cloud make an Opportunity Attack against a creature outside of it?

The text for Stinking Cloud says Effect: The burst creates a zone of poisonous vapor that blocks line of sight until the end of your next turn.... Does that mean that even at the inside ...
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Does movement continue after an Opportunity Attack?

If a character moves away from a square adjacent to a monster, the monster gets an OA. Good. What happens after the attack is resolved? Can the character continue moving? So far, I've houseruled ...
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2answers
894 views

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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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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1answer
951 views

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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1answer
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Attacks of Opportunity from moving within a threatened area?

I'm curious about moving in threatened squares, say I'm a fighter and I'm already in a square fighting a monster with normal melee range and I move to the opposite side of him so that an ally can move ...
6
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1answer
151 views

What's the attack of opportunity for a monk

What if a monk is allowed to do an attack of opportunity on a spellcasting enemy, is the monk only allowed to one attack, or use full attack like +10 / +5 for a level 14 monk?
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1answer
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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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Does the Linebreaker feat imply that the battlemind provokes an opportunity attack?

Linebreaker Benefit: When you use your speed of thought, you can enter an enemy's space. Doing so ends the movement. You must then slide the enemy 1 square. Unless a Battlemind takes ...
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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 ...
5
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2answers
593 views

Does an opportunity attack that stuns prevent the movement?

If I make an opportunity attack with some combination of riders that will cause a hit to stun (or if the victim has already taken some action, daze) can the target of my attack continue their ...
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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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AoOs against the same enemy on his turn?

I had this question: Attacks of Opportunity from moving within a threatened area? So, if an enemy goes from one threatened square to another one threatened by the same guy twice, and the area ...
5
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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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AoO and subsequent rolls

I read somewhere that if you take an action that causes an AoO, from the subsequent roll for that action, you have to subtract the eventually taken damage. Is it right? If yes, does this apply too to ...