Chris,


You have permission to use assets from Hexen, as long as the following requirements are met.

1. This must be a non-commercial product. That means that you cannot receive any money for it. 
 
2. You must include a notice that the assets you are using are copyrighted or trademarked by Raven Software. 
 

Enjoy, and good luck.

Sincerely,


Michael Crowns
Director of Product Development
Raven Software