Azlan said:
Some of the "micro" encounters within that mass-scale "macro" encounter took place in narrow alleyways or within the cramped confines of a town home. Which makes me think: Why should a spiked chain be able to continuously threaten an area 10' around the wielder, while the wielder is in a 5' wide x 30' long alleyway? And yet if we play strictly by-the-book, the wielder could stand in the middle of the alleyway and have dozens of goblinoids rushing into the alleyway and at her from both sides, but they'd have a snowball's chance in hell of being able to get to her and overwhelm her.
Not really.
First mook charges in, gets AoO'd, and dies.
Second mook charges in, gets AoO'd, and dies.
Third mook charges in, gets AoO'd, and dies.
Fighter is now out of Combat Reflexes AoO.
Fourth mook charges in and readies a grapple attack vs. his friends arriving.
Fifth mook charges in and aids another for Mook #4.
Sixth & seventh mooks run in with longspears and aid another on Mook #4 to boost his "to hit."
Mook #4 then initiates a grapple, as the fighter is out of AoO. With three aid another attempts, he should have good odds of landing a touch attack. Once the fighter is grappled, he no longer threatens any squares. In the next round, an untold number of mooks pile onto the fighter (no more AoO...), drag him to the ground, and poke their fingers in his eyes repeatedly.
If the fighter doesn't use their AoO in hope of drawing more mooks into the alley before executing the AoO (and hopefully cleaving onto more than one of them), then the earlier mooks just get more attacks. The fighter can try to use an AoO to disrupt the grapple, but then they run out of AoO and the scenario plays out as above.
Alternatively, have mooks charge in to draw the AoO, then once the fighter seems to be out of AoO, have the elites pile on after remarking, "That's why the pawns go first."
Or, some of the warriors use climb checks to get onto the roof on either side of the alley. Climb is one of the few in-class skills for warriors so they may actually have some ranks, or they can just throw a rope up there and climb up with an easy check. Then they can drop things on the hapless fighter or leap onto him to initiate grapples, tear him to the ground, and tickle him viciously.
If you don't like the grapple rules,
disarm checks ought to work just about as well. Aid Another used liberally can help quite a bit with low check modifiers when you have large numbers!