The Destroyer is a massive Golem that has the ability to destroy the world using the 'Ring of Annihilation'. The Destroyer was said to be a legendary creature that would bring about a new age by destroying the world. Malefor claimed that it was the destiny of the purple dragons to resurrect the Destroyer to bring about, what he called, the Great Cleansing, meaning the end of the world.
the monsterous golem is volcanic in origin, with it's skin composed of earth and igneous (volcanic) rock. its blood consists of lava. the creture is sudsequently powered by Crystalized Dark Matter, whose crystals are also volcanic in origin. being born mostly underground, the top of the destroyer's head is covered by the ruins of dragon village.