The contents of this boxed set can be used by covenant players to either upgrade their halo fleet battles force with additional large model firepower or act as the foundation for a new force at the heart of the upgrade box are two ors heavy cruisers a devastating addition to any covenant fleet armed with a host of plasma based weaponry the ors is able to field both bombers and interceptors into the heat of battle the heavy cruisers are supported by four sdv heavy corvettes that can be fielded as