A One-Round Living Greyhawk Shield Lands Regional Adventure
From the introduction:
Fresh from your last adventure and with your name in good standing across the Flanaess, you are summoned to serve the Shield Lands... at a party?.
A one-round Shield Lands Regional adventure set in Critwall, Admundfort, and beyond for characters level 5-15.
This adventure is recommended for arcane spellcasters, specifically members of the Arcanists' Society and the Incandenti.