Inverted Tiled Wedge Black Ice-Reinforced Wooden Sloped Roof

Description
Sloped rooves are practical in sandstorms as the loose debris simply runs from the roof rather than accumulating. Black Ice-Reinforced Wood is one of the hardest building materials that can be created in the Exiled Lands. Weapons barely chip it and even explosive powder is not enough to weaken it in a single blow. Siege weapons or divine intervention are really the only way to bring down walls this strong.

Repair
Repairing  requires up to:
 * 3
 * 2