Reinforced Fortifications

Reinforced Fortifications is a tech from the Iron Age. In an age of ever increasing raiding bands, the knowledge of fortification is combined with new mastery of iron and steel for more advanced defensive augmentation and strong points.

Required for

 * Reinforced Gate
 * Reinforced Platform
 * Guard Tower

Predecessor tech(s)

 * Composite Archery

Successor tech(s)
None