Earthmover

The 1000-THR Earthmover is a massive quadrupedal machine made of dark metal, with city lights abound its torso and neck along with two thin arms bearing electric lances, which fire beams of mass destruction. Its neck resembles a spine to better allow it to bend and fire. Its head has six white lamp "eyes". Oddly, it is equipped with an immense plump rear, and huge fully modelled "male bits". The Earthmover is programmed to fight other machines, but shows friendly curiosity towards living beings.

The 1000-THR Earthmover is a massive quadrupedal war machine similar in shape to a centaur. It has two thin arms attached to its upper body that bear some sort of electric lance, capable of firing massive beams of electricity across large distances. Ladders, platforms and steam vents wind up its legs, and numerous structures—including functional power stations and living spaces for civilian habitation—are built upon its back and neck.

Its cylindrical head, tucked inbetween its flat shoulders, has six white lamp eyes that emit an ominous glow. Metal divider rings split its lengthy upper body into several ascending segments leading up to its head. The Earthmover is equipped with a shield generator that protects it from most forms of direct attack. It is also outfitted with outer defense systems like Tesla coil turrets and rocket launchers, designed to protect it in case hostiles manage to climb onto its immense body.

The front half of its lower body is trapezoidal in shape and composed of the same dark metal as the rest of its body; meanwhile, the back half is occupied by an immense and plump rear end made from soft dark-grey silicone, and is complete with a fully outfitted puckered orifice. Furthermore, the Earthmover is "equipped" with a set of fully functional "Penis and Testicles" made from the same silicone material – consisting of a long veiny shaft and a pair of huge round balls. Combined, these strange additions give the 1000-THR Earthmover the ability to feel intimate pleasure when stimulated.

The Earthmover's four legs have fat silicone thighs, and end in large metal spikes that it stabs in and out the ground to slowly lumber around.

The inner workings of the Earthmover's lower half are equipped with systems that produce lubricant for its rear orifice and 'semen' for its "penis".

Earthmovers were the pinnacle of the arms race. Often called the horsemen of the apocalypse, it took only one to level an entire city and leave nothing but fire in its wake. The last era of the Final War had begun.

The first machines large enough to house a shield generator, these walking fortresses could only be made vulnerable from within, making them the frontline for smaller, more mobile machines. Due to their colossal size, they required both blood and solar power to function.

When the final era escalated, cleansing the world with fire, the surviving civilians were forced to evacuate and build new homes on the backs of these machines, as the surface became an inhospitable wasteland where no flora or fauna could flourish.

Eventually the soot, smoke and decay from unending global war would blot out the sun, casting the world into the Long Night, and Earthmovers, unable to feed on sunlight, shut down and died out one by one.

War had become entirely dependent on them, large scale conflict was no longer feasible. Finally, mankind started to work together to reverse the effects of the Long Night climate catastrophe, and so began the New Peace. 200 years of war for its own sake ended not with a bang, but utter silence.

At the brink of despair, the planet would slowly learn to breathe once more, and the corpses of these titans would serve as a stark reminder of just how close mankind was to an apocalypse by their own hand.