here is a tutorial but it is very long. http://www.burgzergarcade.com/hack-slash-rpg-unity3d-game-engine-tutorial
answered Sep 18 '11 at 01:48 PM
For the AI to make something follow you, you want to use something like this script I wrote:
Then you want to use the variables:
You can select the items as the target and the enemy (which chances are is the gameobject the script is attached to) in the unity Inspector view under the script options. The complete script should look something like this:
PS: If you don't understand what i'm talking about you should start with something easier.