In Blood Influence by I.C. Lawrance, people in the Bowl lived in fear and were aware of the rumors that the Tower took away those with Influence and that they were never seen again. The Influence was inherited by blood, and the Tower needed girls...

In the second book in I.C. Lawrance's Blood Influence series, Apostasy, Mortella has been summoned to the Tower, and her fate is to bear a child to provide for the Code. The Bowl, which is under the protection of the Code, was a prison for...