Warjacks are the core of your Warmachine army’s weapons. They are steam-powered mechanical constructs, guided by a pseudo-magical super-computer cortex. They are an all-in-one tank and heavy artillery combo. In short, huge, lumbering, chunky mothers with big guns and armour. To get the most out of your Warjack, you need a Warcaster who can Focus their power on the right target.