D&D 5E Clarification - Opportunity attacks


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Because Plaugescarred's post is not making sense to me (not the rule, the English), I decided it might help if people see the actual conversation rather than the paraphrasing.

Question: Does a polearm master opportunity attack interrupt movement?\
Answer: The Polearm Master attack is in response to a creature entering your reach, so movement can be before and after it.
Question: It doesnt interrupt movement being an opportunity attack?
Answer: It is interrupting any further movement the target might have, after it is within your reach.
Question: Polearm Master fluff say you can keep your enemies at bay with reach weapons is not really true if attack is when adjacent
Answer: On the grid, the target is adjacent if you're using a quarterstaff, but 5 feet away with the other PM weapons.
Question: Why distance discrepency OA provoke base on weapon? You said earlier reach weapon dont increase if not attacking? Trying to get where yur coming from leave Reg OA with halberd when leaving your reach, creature is adjacent or 10 ft away?
Answer: Yes, OA (an attack) is based on your reach with the weapon you're using.
 
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Huh... I did not notice that. Could have sworn I read 10' reach somewhere in that stat block. Still, it's a problem for say, a Pit Fiend. They have reach 10' on all of their attacks except Bite is 5'. That's another quirk with this OA system, what if a creature has multiple reach values? Can the Pit Fiend Bite as an OA when someone leaves 5'? They are still within claw reach of 10'.

Since, barring feats, OA's only occur when leaving your reach with their own movement, and, except for ranged weapons and spells, there's not a penalty at 5', the Pit Fiend gains no benefit from retreating to 10'; the attackers rotating in and out during their turns can and should be like the bullies at the plaground.

Further, you only get ONE opportunity attack, since your one reaction recharges at the end of your own turn (PBR 70). OAs are NOT free; they're reactions (PBR p.74). {This is quite unlike 3.x and 4.x.)

As for multiple ranges - I'd allow the opportunity with the the short ranged weapon only, and only when they are moving out of the shorter reach. But it means the bigger reach isn't going to get used as a reaction.
 


Because Plaugescarred's post is not making sense to me (not the rule, the English), I decided it might help if people see the actual conversation rather than the paraphrasing.

Question: Does a polearm master opportunity attack interrupt movement?\
Answer: The Polearm Master attack is in response to a creature entering your reach, so movement can be before and after it.
Question: It doesnt interrupt movement being an opportunity attack?
Answer: It is interrupting any further movement the target might have, after it is within your reach.
Question: Polearm Master fluff say you can keep your enemies at bay with reach weapons is not really true if attack is when adjacent
Answer: On the grid, the target is adjacent if you're using a quarterstaff, but 5 feet away with the other PM weapons.
Question: Why distance discrepency OA provoke base on weapon? You said earlier reach weapon dont increase if not attacking? Trying to get where yur coming from leave Reg OA with halberd when leaving your reach, creature is adjacent or 10 ft away?
Answer: Yes, OA (an attack) is based on your reach with the weapon you're using.

I am not sure I understand this.

In terms of running around, say, a giant. It has, dare I say, a certain verisimilitude. Its a big hulking creature after all.

Only clarification I would make (not sure if this is RAW) is that if the creature with reach moves out of yours, but your are still in his, you do not get an OA.
 

Only clarification I would make (not sure if this is RAW) is that if the creature with reach moves out of yours, but your are still in his, you do not get an OA.
It's definitely not RAW. The retreating creature's reach has absolutely nothing to do with opportunity attacks made against it.

The reason being, he has chosen to lower his defenses by retreating without Disengaging, rendering his own reach irrelevant.
 

It's definitely not RAW. The retreating creature's reach has absolutely nothing to do with opportunity attacks made against it.

The reason being, he has chosen to lower his defenses by retreating without Disengaging, rendering his own reach irrelevant.

If the creature is keeping you within its own reach, then I am ruling that it is not lowering its defenses. If it goes farther, it is. If you can dance back and forth in front of me, and I am the one with reach, I should be able to return the favor. But I see how its a potentially fiddly ruling.
 

If the creature is keeping you within its own reach, then I am ruling that it is not lowering its defenses. If it goes farther, it is. If you can dance back and forth in front of me, and I am the one with reach, I should be able to return the favor. But I see how its a potentially fiddly ruling.

Or alternatively, a houserule of "a creature can automatically lower its effective reach for OA purposes down to any distance, minimum 5 feet". In other words, someone can dance around a foe with reach within 5 feet all that they want, but dancing to 10 feet can provoke.
 

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