The Howling of a Mighty Storm

From the introduction: Several members of the Circle of the Stag are missing. Those druids who keeper the Lady’s Chalice and the recipe of the Greendraught that determines the Green Regent are in need of your help. Rumors suggest that the missing druids where somehow involved with altering the ritual to falsely choose Otar as the Green Regent. Surely Mielikki would not allow that! Would she? A sequel to LGR-19 A Difference of Opinion, optimized for 10th level PCs.