The powerful conclusion to the "Regiment" series. Millennia after the galactic empire collapsed in war, two surviving groups of worlds have rediscovered each other--and one group, the Caliphate, is readying its superior technology for a war of conquest against the Confederation. In the initial skirmish, only the nearly superhuman ability of the Tyss mystic warriors drove off the aggressors. But now the Caliphate is returning in force with a vast fleet of warships. And there is a third player: a reptilian race which is determined to eliminate this dangerous species called humans from the galaxy once and for all!