Energy wall
From Halopedia, the Halo wiki
An Energy Wall is a Forerunner building.
Gameplay
The Energy Wall appears in Halo Wars as a garrisonable structure. It generates an impassable energy wall when garrisoned. However, if the troops in it are eliminated or un-garrisoned, the energy wall is disabled. It is only found on Fort Deen and Tundra.
List of appearances
- Halo Wars (First appearance)