The Naked God: The Night's Dawn trilogy

The third book in the The Night's Dawn trilogy, The Naked God by Peter F. Hamilton is an epic conclusion to dramatic and compelling series. The Confederation is starting to collapse politically and economically, allowing the 'possessed' to infiltrate more worlds. Quinn Dexter is loose on Earth, destroying the giant arcologies one at a time. As Louise Kavanagh tries to track him down, she manages to acquire some strange and powerful allies whose goal does not match her own. The campaign to liberate Mortonbridge from the possessed degenerates into a horrendous land battle, the kind that hasn't been seen by humankind for six hundred years. Then some of the protagonists escape in a very unexpected direction . . .
Joshua Clavert and Syrinx now fly their starships on a mission to find the Sleeping God - which an alien race believes holds the key to finally overthrowing the possessed.