[Reinforce Castle Gates]
Strengthens castle gates and walls. As it significantly increases the durability of the current castle gates and castle walls, it can prevent in advance the incursion of enemy troops into the castle.
Reinforce outer castle gate (left)
Reinforce outer castle gate (right)
Reinforce entrance castle gate
Reinforce western inner castle gate
Reinforce eastern inner castle gate
Reinforce western inner castle gate - 1st floor
Reinforce eastern inner castle gate - 1st floor
Reinforce western castle wall
Reinforce eastern castle wall