Killing the Machine

The Iron Horse is a massive steam-powered locomotive manned by a crew of warriors, miscreants, and genetic anomalies. Socrates, the train's commander, is an autonomous steam-powered gorilla with memories and knowledge reaching back more than a thousand years. Their mission is to locate a new source of starfall, the rare element that powers the ancient city of Sanctuary. Their civilization needs starfall, but for Socrates the matter is personal. Without it, he will die.