Does Tripping provoke an AOO


Rules Discussion


Just as the subject says, if I trip my enemy can my ally (fighter) attack the enemy when it tries to stand up with his AOO?


I think that yes, because stand up is a movement action.


Side-question on Attacks of Opportunity...

Is it true that only Fighters can make Attacks of Opportunity in PF2?


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Hrothgar Rannúlfr wrote:

Side-question on Attacks of Opportunity...

Is it true that only Fighters can make Attacks of Opportunity in PF2?

Fighters have it by default, Champion and Barbarian can get with a class feat if they wish and Ranger/Monk/Rogue have their own version of AoO that they can get with a class feat as well.

Sovereign Court

Hrothgar Rannúlfr wrote:

Side-question on Attacks of Opportunity...

Is it true that only Fighters can make Attacks of Opportunity in PF2?

From level 1? Only fighter.

Barbarian, Champion, have to pick the class feat at level 6.

As noted above rogue and monk have their own version too.

Technically all other classes can pick AoO with the fighter MC archetype if they so desired.

Some monsters have AoO but they are rare.


Thank you.


Is the enemy still considered "prone" (-2 to AC) when they are getting up and eating an AOO?


Atalius wrote:
Is the enemy still considered "prone" (-2 to AC) when they are getting up and eating an AOO?

The Trigger of AoO is the opponent using the Move Action.

CRB PG.462 "In-depth Action Rules"/ "Simultaneous Actions" wrote:

Simultaneous Actions

Free actions with triggers and reactions work differently.
You can use these whenever the trigger occurs, even if the
trigger occurs in the middle of another action.

You make your Attack of Opportunity as soon as the Trigger is satisfied, in this case the opponent using the Stand move action. Since the Stand move action has not completed, the enemy is still prone for the AoO. This is how AoO is able to disrupt Manipulate actions. If it only went off after the action, you could not disrupt that action. Same with moving out of a square, if the enemy had already moved out of your reach when you could make the AoO, you couldn't make the AoO.


https://2e.aonprd.com/Rules.aspx?ID=451

He for forced movement

And here for move traits ( which triggers aoo )

https://2e.aonprd.com/Traits.aspx?ID=114

About the reach i think you will be elegible even if you move within his reach, like 10 or 15 feet depends weapons and creature, by I am note sure.


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Pathfinder Roleplaying Game Superscriber; Pathfinder Starfinder Adventure Path, Starfinder Roleplaying Game, Starfinder Society Subscriber

The enemy is not considered prone for the AoO.

CRB page 474 wrote:

Move Actions That Trigger Reactions

Some reactions and free actions are triggered by a creature using an action with the move trait. The most notable example is Attack of Opportunity. Actions with the move trait can trigger reactions or free actions throughout the course of the distance traveled. Each time you exit a square (or move 5 feet if not using a grid) within a creature’s reach, your movement triggers those reactions and free actions (although no more than once per move action for a given reacting creature). If you use a move action but don’t move out of a square, the trigger instead happens at the end of that action or ability. Some actions, such as Step, specifically state they don’t trigger reactions or free actions based on movement.


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HammerJack wrote:

The enemy is not considered prone for the AoO.

CRB page 474 wrote:

Move Actions That Trigger Reactions

Some reactions and free actions are triggered by a creature using an action with the move trait. The most notable example is Attack of Opportunity. Actions with the move trait can trigger reactions or free actions throughout the course of the distance traveled. Each time you exit a square (or move 5 feet if not using a grid) within a creature’s reach, your movement triggers those reactions and free actions (although no more than once per move action for a given reacting creature). If you use a move action but don’t move out of a square, the trigger instead happens at the end of that action or ability. Some actions, such as Step, specifically state they don’t trigger reactions or free actions based on movement.

Fair dues, I missed that bit. I recant my previous statement.


So say an enemy is 10 ft away and he strides (next to me) 5ft away from me (I have reach 10 ft so my AOO triggers) if I crit the enemy with my warhammer and prone them, would they get knocked down 10 ft away from me or directly beside me?


Because AoO is a reaction, I believe it occurs after the trigger has happened. It doesn't disrupt move actions by default, so they'd be in the space/position they moved to just before taking damage (and in the case of a knockdown would fall 5 ft away from you). Stand Still crits and AoO with that one stance would cause the movement to stop, but the specifics are beyond me when I can't check rules. The order of events for actions and triggers is definitely listed somewhere, though!

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