What do we know about Wyrms High Pass?
I haven't found a great deal of information about the pass, although I realise I may just not have found stuff in sources I've got, so I've put a few tentative ideas together based on the snippets I'm aware of.
@Jeff Richard's session at the Kraken last year on creating Gloranthan places was very useful - unfortunately I don't think it was filmed, but its essence was to pull together what is known or inferred about a place from Gloranthan sources and use them as building blocks for creation of both the place and its adventurous potential. This i