Invisibility, miss chance, grab


Rules Questions


If I hit an invisible foe with a claw attack and I have the grab special ability, do I roll the miss chance twice, once for the claw and once for the grab, or just once for the claw and the grab is a free rider?

Dark Archive

The grab is a rider to a successful claw attack. If you hit with the claw attack, you deal damage and attempt the grapple.

However... as a GM, would rule that the invisible foe would no longer have concealment to you if you successfully grapple, so all of your further actions wouldn't apply against concealment while grappling. But anyone else attacking that invisible target would still have the 50% miss chance.


Rules say that it is a separate attack so it has a separate miss chance.

But I would also house rule that since you have already connected there should be no miss chance for the grab.

Liberty's Edge

thorin001 wrote:

Rules say that it is a separate attack so it has a separate miss chance.

But I would also house rule that since you have already connected there should be no miss chance for the grab.

PRD wrote:
Grab (Ex) If a creature with this special attack hits with the indicated attack (usually a claw or bite attack), it deals normal damage and attempts to start a grapple as a free action without provoking an attack of opportunity.

It is not a new attack, the attempt to start the grapple is immediate, you bypass the part before that, i.e. "select the target or target square, then roll for miss chance or, if applicable, to target the person and not one of his mirror image" and so on.


Diego is correct. Your bite/claws/tentacle(s) have ALREADY hit and, thus, are grabbing on to a target you know *exactly* where is. There's enough ambiguity in the rules to allow either side, but your GM is either a jerk or thinks your OP if he makes you roll a second miss. (Mine would probably make me roll a second miss, he thinks my main, my back up, and my main's cohort are all broken, and all for entirely different reasons.)


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Diego Rossi wrote:
thorin001 wrote:

Rules say that it is a separate attack so it has a separate miss chance.

But I would also house rule that since you have already connected there should be no miss chance for the grab.

PRD wrote:
Grab (Ex) If a creature with this special attack hits with the indicated attack (usually a claw or bite attack), it deals normal damage and attempts to start a grapple as a free action without provoking an attack of opportunity.
It is not a new attack, the attempt to start the grapple is immediate, you bypass the part before that, i.e. "select the target or target square, then roll for miss chance or, if applicable, to target the person and not one of his mirror image" and so on.

How is the grapple check not a new attack? It is a discrete action, free action in this case. It is a discrete d20 roll. It does not automatically gain all of the modifiers of the initial attack roll like confirming a critical does.

The Concordance

A free action attack is definitely a new attack (its even got its own seperate action!) and although it seems unnecessary, it is still subject to the miss chance on the target.


I don't see a clear answer either way. Personally, I'd go with no second miss chance on 2 factors. 1: It is part of the claw attack, you successfully hit him, and now you are using your claws to drag him in to the grapple, able to ignore the concealment for the time being because you already have a hold of him. 2: Free actions, while a separate action, consume a minimal amount of time, so can be viewed as being part of the first action

PRD wrote:
Free Action: Free actions consume a very small amount of time and effort. You can perform one or more free actions while taking another action normally. However, there are reasonable limits on what you can really do for free, as decided by the GM.

The Concordance

bhampton wrote:

I don't see a clear answer either way. Personally, I'd go with no second miss chance on 2 factors. 1: It is part of the claw attack, you successfully hit him, and now you are using your claws to drag him in to the grapple, able to ignore the concealment for the time being because you already have a hold of him. 2: Free actions, while a separate action, consume a minimal amount of time, so can be viewed as being part of the first action

PRD wrote:
Free Action: Free actions consume a very small amount of time and effort. You can perform one or more free actions while taking another action normally. However, there are reasonable limits on what you can really do for free, as decided by the GM.

“It is part of the claw attack.” I’m not seeing where the rules on grab say it is “part of the attack”, just that if you hit you can attempt a grapple as a free action. It’s a rider effect. It is a free action granted to you by a universal monster rule.

And free actions, while a separate action, are a separate action and CANNOT be viewed as being “part of the first action.” Otherwise you are contradicting yourself. Yes, free actions can happen during other actions but that doesn’t lead to them being other actions.

A reasonable house rule to only roll once for concealment.


Once grappled 'If a grappled creature becomes invisible, through a spell or other ability, it gains a +2 circumstance bonus on its CMD to avoid being grappled, but receives no other benefit.' Until then - RAW I think the miss chance would still apply. I would be open to changing it as a GM though.

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