"Planning to conquer a kingdom? Do the words "universal war machine" bring a smile to your lips? Look no further -- our catapult has been designed with YOU on mind. This machine can be used to siege castles, clear enemy beachheads, and wreak havoc in the ranks of your foes. Our catapults are exeptionally durable, productive, and simple to maintain. Don' be a sissy -- buy a catapult!" (An advertisement sticker on the gates of the Mechanics' Guild)
Advanced siege unit.
Demolisher: Bonus when attacking cities and forts.
In order to build a Catapult one must first build a Mechanics Guild.