The 26th century. Humanity has expanded beyond Earth’s system to hundreds of planets that colonists now call home. But the United Earth Government and the United Nations Space Command is struggling to control this vast empire. After exhausting all strategies to keep seething colonial insurrections from exploding into a full-blown interplanetary civil war, the UNSC has one last hope.

2559. It has been a year since the rogue artificial intelligence Cortana seized control of the Domain, an otherworldly dimension housing a vast information network. With an array of Forerunner weapons at her disposal, Cortana set out to enforce an authoritarian peace on the civilizations of the galaxy. But as the United Nations Space Command flagship Infinity prepares to strike against Cortana at Zeta Halo, another plan has also been set in motion.

After seven years of bitter war, the end has come at last for the conflict known infamously as the Horus Heresy. Terra now lies within the Warmaster’s sights, the Throneworld and the seat of his father’s rule. Horus’ desire is nothing less than the death of the Emperor of Mankind and the utter subjugation of the Imperium. He has become the ascendant vessel of Chaos and amassed a terrible army with which to enact his will and vengeance. But the way to the Throne will be hard as the primarch Rogal Dorn, the Praetorian and protector of Terra, marshals the defences.

Betrayed by the ruling families of Italy, Ezio Auditore embarks upon an epic quest for vengeance. To eradicate corruption and restore his family's honor, he will learn the art of the Assassins. Along the way, Ezio will call upon the wisdom of such great minds as Leonardo da Vinci and Niccolò Machiavelli, knowing that survival is bound to the skills by which he must live.To his allies, he will become a force for change in his fight for freedom and justice.

The overthrow of the Republic is complete. The Separatist forces have been smashed, the Jedi Council nearly decimated, and the rest of the Order all but destroyed. Now absolute power rests in the iron fist of Darth Sidious–the cunning Sith lord better known as the former Senator, now Emperor, Palpatine. But more remains to be done. Pockets of resistance in the galaxy must still be defeated and missing Jedi accounted for . . . and dealt with.