Ninbians are master bridge builders whose trestles link miles of islands, Storm Geysers, and Unit emplacements. The bridges are constructed of a special wood that has been magically lightened in the Temple, then set aside to harden. Effective bridge construction is crucial to developing a strong flow of Storm Power. You lay a bridge. Left-click on the bridge piece you desire in the Production Window. As with Battle Units and buildings, your cursor will change into a reddened silhouette of the bridge selected. Move the bridge to the location (in the Battle window you wish to place it.