The monster description provides the statistics for the weakest specimen of its kind. Some monsters achieve far greater power; the Advancement entry gives you the guidelines to determine just how much more powerful such a creature can become. Monsters usually advance by increasing in Hit Dice, which tends to make them larger. Some monsters advance by taking character classes, and some cannot improve at all (the latter indicated by a dash in this entry).
See Chapter 3: Improving Monsters for more information.
Was this article helpful?