| Infiniti |
Sorry if the rules forum isn't the best place for this. We had a situation come up in our game last week and weren't sure if the rules cover this or if we need to leave it to GM prerogative.
The Situation
A PC was surrounded by eight gargoyles. They were having trouble getting their attacks through, so they decided to team up and try to grapple the PC. Since the PC had been tough to hit, their tactic was that the first 7 of them would perform an Aid Another assist the eighth one on his grapple. Since none of the gargoyles had Improved Grapple, all eight of these actions provoked attacks of opportunity.
The PCs Response
Since the PC only got one AoO per round, his response was to opt not to take an attack of opportunity on the first 7 Aid Another actions. All 7 were successful against a CMD of 10, resulting in a +14 bonus for the eighth gargoyle.
Then the eighth gargoyle then attempted the actual grapple with his +14 bonus. When the gargoyle provoked an AoO, the PC opted to take it. The PC hit and dealt 19 points of damage. This resulted in a net -5 to the gargoyles grapple attempt, which ended up missing the PC's actual CMD of 30.
The Question
After the session ended, the DM wondered if all this was kosher. Can the PC tell which actions are Aid Another actions and which are Grapple actions? At first read, we thought so since Aid Another says you are "distracting or interfering" and that sounds different from "grappling." However, since Aid Another provokes an AoO if and only if the underlying aided action type provokes, that implies that Aid Another isn't some generic distraction but is instead like trying the actual action that is being aided.