Anubis

Anubis appears in The Expanse.

The Anubis emerges in the series as a pivotal protomolecule hybrid ship, showcasing the alien technology's terrifying potential to repurpose human vessels into biomechanical weapons. Discovered adrift and commandeered by a rogue Belter faction, it unleashes chaos during a high-stakes skirmish, demonstrating rapid self-repair and combat superiority before being neutralized in a desperate gambit. Its destruction marks an early, sobering lesson in the protomolecule's existential threat, influencing the escalating interstellar conflict across subsequent books.