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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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 ...
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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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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 ...
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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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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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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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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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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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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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438 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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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 ...
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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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307 views

Can a Combat Challenge/Divine Challenge/Warden's Fury interrupt an opportunity attack?

Can a Defender's interrupt ability stop an opportunity attack? If so, can I get a page reference?