Quote Originally Posted by Drynwyn View Post
Also, where is this "only Aoo per enemy per round" coming from? He can only MAKE one attack, but when I Tumble, I don't provoke, so he still threatens.
Quote Originally Posted by d20SRD
Moving out of more than one square threatened by the same opponent in the same round doesn’t count as more than one opportunity for that opponent.
Pretty much that. There's only one provocation per action. Moving past them doesn't produce multiple AoOs.