I devised ammonite arrays as a means of providing the Wise with ‘computational’ resources sufficient to perform complex calculations – for example those which predict the arrival of the Rains in Osrakum.
Ammonites seated in ‘arrays’ stretching up the walls of specially constructed cells are used as computational elements fed ‘programs’ by Sapients using their homunculi. These programs are run in parallel by many cells controlled by sapients the ‘computation’ being co-ordinated by arrays of sapients of the Domain Rain. By this means, for example, information gathered from the network of watch-towers that cover the Guarded Land is collated and compared with that which has been archived over the millenia.
These cells are located in the ancient Halls of Thunder.