Quote Originally Posted by zabbarot View Post
At the time that the Spanish arrived Aztecs didn't have a complete writing system. The Maya did, but the Aztec writing system at the time was pretty much limited to dates and numbers. So most of those Aztec codices are effectively picture books with dates and names*. I'm sure in the time since they could have improved their writing system though, either because of exchanges with Spanish missionaries or Mayans, or on their own.



*People were often named for the day they were born.
It's possible that the existence of Arcane magic and the Link Networks helped propagate/advance the development of writing.