Attacking when "Invisibility" is cast on you, and Attacks of Opportunity

[zean]

Let's say I have Invisibility cast on me, which ends when I attack.

Let's say I do something which normally provokes Attacks of Opportunity (like grappling, firing into Melee with a ranged weapon, casting a spell), and someone threatens me.

Do they get an Attack of Opportunity on me? Or do I first get the attack on them, they are effected, and thus Invisibility "prevented" the attack of opportunity from ever happening. Or, is that that the moment I try to attack, I suddenly become visible, and since I'm performing an action which provokes, my opponent gets an AoO against me?

[wraithstrike]

They don't get an attack of opportunity. They have to know what you are doing, and if you are invisible(assuming they can't see you) then they can't react to your action.

[Quixote]

Hm. Interesting. I certainly agree with Wraithstrike here, but nothing comes to mind to really (REALLY) prove it.

Invisibility ends when you perform an "attack" as defined by the spell. Attacks of Opportunity interrupt your turn. So...nothing can be proven, until someone finds the right quote?

I can't think of anyone who would allow an opponent to get their Attack of Opportunity on your invisible/just-this-instant-visible character, unless their Perception beat your Stealth to pinpoint your square.

[Varthanna]

wraithstrike wrote:

They don't get an attack of opportunity. They have to know what you are doing, and if you are invisible(assuming they can't see you) then they can't react to your action.

All true.

The rules for this are that as invisible you have total concealment. enemies cannot take attacks of opportunity against creatures that have total concealment against them.