Sails Of Glory - Terrain Pack Coasts & Shoals Board GameTerrain to add to your Sails of Glory games in order to create new scenarios for play. Contains 6 modular coast elements and 10 shoals. The rules for use of both the coastal elements and shoals are included in the starter set rulebook. However, none of the elements are. Coasts affect line of sight, while shoals affect maneuvering. This expansion is needed to add these to the game.