Fallout: Tales from Vilous - Origins
The search for these elements has lead to the near extinction of the agudner, the creators of the technology. the agudner managed to keep the planets cities from going dark by using uranium, meant to keep up with the growing power needs of the planet.
//?A Curious Sergal: Part 7.001
The agudner had left quite a few treasures from their past civilization, and ava (along with many members of his species) had found the perfect way to exploit them, even the artifacts that the agudner themselves would have considered trash.
//?A Curious Sergal: Part 1.001
They are nomadic, and their technology far surpasses the forgotten age of steam technology the agudner (the nomads have technology that surpasses our own; such as space-faring vessels).