Spire is the sole remaining Diamont, the last member of an ancient silicone-based race whose bodies are composed of organic rock. Spire's life as a Bounty Hunter takes him from one end of the galaxy to the other, while he continually searches fro some information on the location, or fate, of the rest of his people.
When he receives a message from the Alimbic Cluster, he races to that system with the hope that finding the Alimbics' source of ultimate power, and solving the mystery of their lost race, will help him solve the mystery of
Spire is from the volcanic desert planet Mondreus. He first appears in Metroid Prime: Hunters.