Flayers of the Mind

From publisher website: The adventurers find themselves outside of a set of caves in the Dragon Teeth Mountains. They do not remember how they got here or why they came. But they feel drawn by the psychic energies from within the cave and feel compelled to explore them. This is an AD&D psionics adventure for 4-6 characters of from 7th to 10th level of experience. At least one or two characters from the party should have psionic abilities. Pre-generated characters are provided.