Shadow Hunters — Christie Golden

Driven by the living memories of a long-dead protoss mystic and hounded by the Queen of Blades' ravenous zerg, archaeologist Jake Ramsey embarks on a perilous journey to reach the fabled protoss homeworld of Aiur.

Seeking a vital piece of protoss technology, Jake finds that Aiur has been overrun by the zerg. Descending into the shadowy labyrinths beneath the planet's surface, he must find the sacred crystal before time runs out -- for him...and the universe itself.

Yet, what Jake discovers beneath Aiur is a horror beyond his wildest nightmares -- Ulrezaj -- an archon comprised of the seven most deadly and powerful dark templar in history....