GameMastery Encounter: Dark Elf Sanctum (OGL)

from the publisher website In a darkened chamber deep below the sunlit world, a diabolical dark elf priestess weaves rhymes of magic over an ancient portal arch. What foul entity answers her summons, and what will happen when it emerges into the world of man? A Compleat Encounter, scalable to any level, featuring a dark elf priestess, a summoning arch, and an otherworldly monstrosity.