As with objects, it is a good idea to keep a scratch list of the vnums you've been assigned so that you can cross off those numbers that you've already used. SMAUG won't let you create a new mob over an existing vnum, but you can completely modify a mob once you've created it.

To begin making mobs, you should read and understand the following four commands:

Once you have read these files and understand the workings of them, you are ready to create your first mob and begin populating your areas.