This is a quick to tutorial I posted to the Vault while exploring creatures and scripting in the toolset. It will show you how to:
Specifically we will create a new zombie that has the properties of a troll. Our zombie will regenerate and can only be killed by fire or acid, but we'll make a few adjustments to the script.
You can view it from the vault here:
http://nwvault.ign.com/View.php?view=NWN2Tutorials.Detail&id=37