Battle Systems - Crypts and Caverns Dungeon Upgrade PackThis box expands your Battle Systems Dungeon with unique walls, floors, furniture and accessories not found in the core set. These can be used to add variety to your dungeon or castle layouts, build towering multi level sections, or create bespoke rooms to suit your quest objectives. Just like the core set, the pieces are fully modular and can be assembled in any combination you choose for a different set up every time. The terrain is supplied flat