A One-Round Living Greyhawk Introductory Yeomanry Regional Adventure From the introduction: Evidence has been uncovered of an ancient tomb in the outer reaches of the Hool Marshes. A Yeoman Dustdigger has asked you to assist her in entering the swamp, discovering the tomb, and bringing back a magical mask. An Introductory Yeomanry module for first-level characters. Cannot be played by players who have already played the Year One Yeomanry regional of the same name.