Four Legged Engine

Four Legged Engine is a form of Technology and Culture.

Description
To throw the large rocks required to break down the strongest city walls, a very large engine is required. The four footed engine is a tall engine comprising four large upright beams cross braced for strength. The throwing arm is long and thick, and large crew of rope pullers provide the power. It can breach any type of wall.

Effects

 * Enables recruitment of: Four Legged Trebuchet