Attack of Opportunity


Rules Questions


Can Attack of Opportunity be used for anything else other than an Attack? Could it be use to cast a defensive spell. Or to perform some sort of skill check like tumble behind the target that provoked the AoO.


You can use AoO's for a few combat manuevers, but normally that's all you can do instead of attack. It's an ATTACK of opportunity, not a skill check of opportunity or a spell of opportunity, unfortunately.


Lathiira wrote:
You can use AoO's for a few combat manuevers, but normally that's all you can do instead of attack. It's an ATTACK of opportunity, not a skill check of opportunity or a spell of opportunity, unfortunately.

So would you say that Trip, Sunder, Disarm, Grapple, Drag, Dirty Trick, Steal, Reposition, and Bull Rush (Push)would all be able to be used in an AoO.


Any of the combat maneuvers that say that they can be used "in place of an attack" can be used on an AoO. Things like grappling, which take a specified action, cannot. Trip and disarm can be used this way and, with some disagreement, sunder can also. Grapple, drag, dirty trick, steal and bull rush are all used as specified actions, so they cannot be used on AoOs.


Check the description of each one to be sure. Some of the various combat maneuvers aren't available; I'm not sure about grapple off the top of my head, for example. Bull rush can involve a good deal of movement, so that one is (I believe, don't have the book handy) not an option. Disarm and sunder should be options, same with trip, etc.


If there is another ability that you can use "in place of an attack", you could also do that. AFAIK, the only thing that you can replace an attack with are some (not all) combat maneuvers.


Lathiira wrote:
Check the description of each one to be sure. Some of the various combat maneuvers aren't available; I'm not sure about grapple off the top of my head, for example. Bull rush can involve a good deal of movement, so that one is (I believe, don't have the book handy) not an option. Disarm and sunder should be options, same with trip, etc.

Allowing trip to be used instead of an AoO is very, very bad. If said character had improved trip, he simply keeps tripping the poor bastard and every time he gets up, he gets nailed by an attack of AoO if anyone else is around.

I had a character with Improved Trip, I would just run straight for the boss (if he was medium sized) and keep him on the ground till the rest of the party killed his minions and got to me...GM finally told me Improved Trip no longer existed lol.


Actually, no. An AoO happens before the event that triggers it. So assume that you have an enemy set prone in your threatened range and he tries to stand up. Standing up provokes an AoO, however, the enemy isn't standing yet and is thus still prone. You cannot trip a prone target. Therefore you cannot chain-trip someone with AoOs. You can, however, trip someone trying to move past you or cast a spell in your threatened area (or any of a myriad other provoking actions). You may also disarm them or sunder an item.


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Aid another: no-standard action

bull rush: no - standard action or charge

disarm: Yes- in place of a melee attack.

grapple: No, standard action

overrun: No, As a standard action, taken during your move or as part of a charge

sunder: Yes, in place of a melee attack.

trip: Yes, in place of a melee attack.

Quote:
Allowing trip to be used instead of an AoO is very, very bad. If said character had improved trip, he simply keeps tripping the poor bastard and every time he gets up, he gets nailed by an attack of AoO if anyone else is around.

The attack of opportunity is resolved before the event that caused it: So Bob attempts to get up, Trippy the chain fighter hits him, but since he's already on the ground he can't trip him (with a +4 bonus). Then Bob gets up.


BigNorseWolf wrote:

Aid another: no-standard action

bull rush: no - standard action or charge

disarm: Yes- in place of a melee attack.

grapple: No, standard action

overrun: No, As a standard action, taken during your move or as part of a charge

sunder: Yes, in place of a melee attack.

trip: Yes, in place of a melee attack.

Allowing trip to be used instead of an AoO is very, very bad. If said character had improved trip, he simply keeps tripping the poor bastard and every time he gets up, he gets nailed by an attack of AoO if anyone else is around.

The attack of opportunity is resolved before the event that caused it: So Bob attempts to get up, Trippy the chain fighter hits him, but since he's already on the ground he can't trip him (with a +4 bonus). Then Bob gets up.

See, this is why I like you guys already, smart people on the forums :)

Liberty's Edge

BigNorseWolf wrote:

Aid another: no-standard action

Note there is a feat in the APG that will let you Aid another in place of your AOO.

APG wrote:


Body Guard (APG 151)

Your swift strikes ward off enemies attacking nearby allies.
Prerequisite: Combat Reflexes.
Benefit: When an adjacent ally is attacked, you may use an attack of opportunity to attempt the aid another action to improve your ally’s AC. You may not use the aid another action to improve your ally’s attack roll with this attack.
Normal: Aid another is a standard action.

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