A One-Round Living Greyhawk Verbobonc Regional Adventure
From the introduction:
A party of heroes comes across the path of another Giant raiding force. The evidence of their most recent raid does not bode well. A new base camp for such raids is discovered, and not far is an ancient shrine. The shrine's keeper wishes not to leave, but danger is too close by.
Event 3 of the Giant Series.
An adventure for characters levels 3 - 10.