The central hook of the series is . In this world, ecosystems have been replaced by a mechanical hierarchy. Large "Traction Cities" like London roam the Great Hunting Ground, chasing down and dismantling smaller "prey" suburbs to scavenge fuel, metal, and slaves.
: The series introduces "Stalkers"—undead cyborg soldiers made from the corpses of fallen warriors. The character Shrike , a Stalker who raised Hester, provides one of the most heartbreaking emotional arcs in the story. MГЎquinas Mortales
: A scarred, fierce young woman seeking vengeance against the man who murdered her mother. Unlike many YA protagonists, Hester is often described as traditionally "unattractive" and morally complex, driven by rage rather than heroism. The central hook of the series is
: It is perhaps the most ambitious modern example of steampunk, blending Victorian-era social structures with futuristic, rusted technology. Unlike many YA protagonists, Hester is often described
: A group of rebels who believe humanity should remain stationary, living in fortified settlements like Shan Guo, protected by massive mountain ranges. Core Characters and Plot The narrative primarily follows two unlikely allies:
Together, they uncover a conspiracy involving the resurrection of , an ancient superweapon that threatens to end the era of Traction Cities by obliterating the Anti-Tractionist strongholds. The 2018 Film Adaptation