The Neutronium Alchemist
By Peter F Hamilton
Part of the The Night's Dawn Trilogy
The ancient menace has finally escaped from Lalonde, shattering the Confederation's peaceful existence. Those who succumbed to it have acquired godlike powers, but now follow a far from divine gospel as they advance inexorably from world to world.
On planets and asteroids, individuals battle for survival against the strange and brutal forces unleashed upon the universe. Governments teeter on the brink of anarchy, the Confederation Navy is dangerously over-stretched, and a dark messiah prepares to invoke his own version of the final Night.
In such desperate times the last thing the galaxy needs is a new and terrifyingly powerful weapon. Yet Dr. Alkad Mzu is determined to retrieve the Alchemist -- so she can complete her thirty-year-old vendetta to slay a star. Which means Joshua Calvert has to find Dr Mzu and bring her back before the Alchemist can be reactivated.
But he's not alone in the chase, and there are people on both sides who have their own ideas about how to use the ultimate doomsday device. "
https://en.wikipedia.org/wiki/The_Neutronium_Alchemist-
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