Ramparts with Flanking Towers
The Ramparts with Flanking Towers counts as a building.
Prerequisites
This building is an improvement of the Ramparts. It therefore requires the latter to be built.
The creation of the Ramparts with Flanking Towers is only possible if the technology Fortifications has been enabled in the province.
Costs
This building requires 70000 man-days
The construction of the building requires 2 political points, 8,000 gold, 60 wood and 100 stones.
Benefits
With the Ramparts with Flanking Towers present, the attackers must have more regiments to conquer a city: 700 attackers for cities with fences, compared to 350 attackers for cities without.
The presence of Ramparts with Flanking Towers allows to get four (4) allied regiments in the city instead of two (2).
The ramparts lift the default garrison of the city to 200 men (instead of 100 previously).
See Sieges and Defending a City for more information on attacking and defending cities.