Can a tiny or smaller creature avoid AoO if they 5' step into an enemy occupied square?
Here are the relevent SRD quotes:
Just reading this makes me think that you can. I guess I'm just weirded out a little bit, since I've never thought about it.
Here are the relevent SRD quotes:
Very Small Creature
A Fine, Diminutive, or Tiny creature can move into or through an occupied square. The creature provokes attacks of opportunity when doing so.
Take 5-Foot Step
You can move 5 feet in any round when you don’t perform any other kind of movement. Taking this 5-foot step never provokes an attack of opportunity. You can’t take more than one 5-foot step in a round, and you can’t take a 5-foot step in the same round when you move any distance.
Just reading this makes me think that you can. I guess I'm just weirded out a little bit, since I've never thought about it.