Fractured Souls

From the introduction: A One-Round Adventure Soft Point 2, Year 4 (Lampyris, 1028 I.C.) The Chamber of Repose has been the sacred resting place for the soul shards of the Dwarven people for over 2500 years. However, some of the shards in the Enclave of Tir Betoq have recently been found missing. Who is taking shards and why?