Dragonaut, The Dragon of Chaos

Ancient Dragon, that has been cyber-genetically enhanced by future generations in order to exploit the dragon's power by fusing the dragon with futuristic armaments and countless nanomachines. Angered by this action, the dragon eventually goes on a rampage, and during this specific moment, the nanomachines also accidentally corrupted its mental state which leads to the creation of the unstoppable force that will destroy everything on its path.