Keying a Dungeon with Class-specific Descriptions (Microblog)

I bet you've seen notes in dungeon keys that say something like: The murals depict an ibis-headed god handing out the tools of writings to grateful humans. (Clerics know that this is represents Thoth, god of knowledge.) What if your wrote a whole dungeon with an eye towards giving out this class-specific information? It might look something like this: A round atrium; the domed ceiling is cracked,…