The Nemesis is a Decepticon spaceship in the fictional Transformers Generation One universe. It was built by Megatron as the flagship of his Decepticon space fleet, and was described by Optimus Primal as the most powerful Decepticon battleship ever. The ship was never named in the original series, only being given a name in the Beast Wars series finale. Over three miles long, the ship was equipped with an energon reactor, cutting and tractor beams, along with a staggering array of offensive and defensive weapons. It was powered by the energy maximizer named the Heart of Cybertron. Other amenities included a battle preparation room large enough for a combiner to completely form inside.
When the Autobots left Cybertron in the Ark, they were pursued by the Decepticons aboard the Nemesis. In the battle that ensued, the Nemesis attached itself to the Ark via its tractor beam and the Decepticons initiated a boarding. As the two factions battled aboard the Ark, the gravity of a nearby...
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