Heroscape: The Ruins at Laur's Edge Terrain ExpansionExpansion

From BoardGameGeek:

Expand your Heroscape battlefield with The Ruins at Laur's Edge Terrain Pack! This set provides players with versatile Laur wall terrain pieces that can be used to create fortifications and obstacles. Designed to be stackable, the wall pieces allow for multi-level structures and customizable layouts, enhancing both strategy and immersion. This expansion contains over 30 Wall Terrain pieces and is fully compatible with all Heroscape Master Sets and Expansions. Build new environments over which to battle for Valhalla in Heroscape: The Ruins at Laur's Edge! This is add-on content. A Battle Box and/or Master Set is required for Heroscape gameplay Alter your battlefields with obstacles that hinder movement and block Line of Sight! Give a ruined aesthetic to your tabletop with crumbling walls, gates, towers, and stack the ruins to make the dynamic walls stand out even more! The rules for the wall pieces are that they block Clear Sight and Line of Sight unless a power or ability of a figure allows it. Units cannot move through or over the walls unless they fit through the gate pieces, have abilities like Flying, Tunneling, Grapple guns, or other special movement -description form the publisher