Siegecraft

Level 1

--1 enemy siege hold-out time\n(double for city-ports)
+1 siege hold-out time\n(double for city-ports)
+1 cunning

Level 2

-2 enemy siege hold-out time\n(double for city-ports)
-6% attritional losses when under siege
+2 siege hold-out time\n(double for city-ports)
-6% attritional losses when besieging
+2 cunning

Level 3

--3 enemy siege hold-out time\n(double for city-ports)
-12% attritional losses when besieging
-12% attritional losses when under siege
+3 siege hold-out time\n(double for city-ports)
+3 cunning
Description

He shall set engines of war against thy walls, and with his axes he shall break down their towers.