Once, Master Commander Carter Rose was the Union’s secret weapon. An augmented, bio-engineered officer in command of the most powerful warship ever devised by human minds, Rose brought them victory against the post-human Aternien Empire. Then they cast him aside. A century later, humanity’s enemy has returned, hell-bent on revenge, and the Union's only hope is the man they had forsaken.

To fight the war, they must find a legendary commander. For a hundred years, the Planetary Union of Nine has grown soft and complacent. They believed the post-human Aternien Empire was gone for good. Now, they're a ghost story relegated to the history books. But Major Carina Larsen of Union Military Intelligence knows they're wrong.

Once, Master Commander Carter Rose was the Union’s secret weapon. An augmented, bio-engineered officer in command of the most powerful warship ever devised by human minds, Rose brought them victory against the post-human Aternien Empire. Then they cast him aside. A century later, living alone on a distant forest moon, feared and forsaken by the people he fought to save, Rose has grown bitter and resentful, while his superhuman body refuses to age.

Frustrated by his inability to act, Rose takes matters into his own hands, and travels to the occupied planet of Terra 6 to find his Master Operator, a key member of his crew, now at grave risk. But there is far more to the invasion that Rose has been led to believe. The Aterniens have a new bioweapon, and Terra 6 is their testing ground.

The incident at Terra 6 proved that the Aterniens could strike at the heart of the Union, but the god king has many more tricks up his sleeve. Aterniens imposters posing as humans are spread throughout the Union, causing chaos, and generating suspicion and fear. But as Rose tackles one crisis another appears. A weapon capable of eradicating the population of entire worlds has been unleashed, and it’s his job to stop it.

Master Commander Carter Rose has always been one step behind the Aterniens, but now it is time to take the fight back to his enemy. His plan necessitates him finding the mastermind of the Longsword officer program – a man who has not been seen in nearly a century.

After enlisting the reluctant help of a Union scientist with unique knowledge of the Aterniens, Master Commander Carter Rose embarks on his most dangerous mission yet. Ahead of them is Old Aternus, a dark and inhospitable world where the Aterniens were exiled to after the first war. Now, abandoned, Old Aternus holds the key to discovering the secret location of the Empire’s new home planet, and the chance to finally strike the Aterniens where it hurts.

The reborn God King Apophis, a dark force forged from vengeance, unleashes devastation across the Union of Nine. With planets burning and alliances fracturing, Master General Carter Rose and his elite officers face their greatest trials yet. From desperate alliances with sworn enemies to heart-stopping battles against ancient, godlike powers, the fight for the galaxy pushes Carter, Carina Larsen, and their crew to their breaking point.

After four years of peace, rumor of a new Aternien leader reaches the Union of Nine; a dark god forged from the ashes of defeat. Twisted by a malevolent hunger for revenge, Apophis, the embodiment of the Egyptian God of Chaos, seeks to destroy humanity and remake the universe in his image. Master General Carter Rose always knew this day would come. Ready with the next generation of augmented super-soldiers and a new Longsword II-class battleship, Carter will once again protect a people who had once forsaken him.

Apophis, the reborn god-king of the Aternien Empire has unleashed the Neural Nexus, demonstrating its terrifying ability to destroy entire planets. General Carter Rose, along with Master Commander Carina Larsen and the crew of the Longsword Ascalon, are still reeling from the weapon’s apocalyptic power. Joining forces with the Old Aterniens is Carter’s best chance of formulating a defense, but Apophis is not his only problem. Any alliance with the Union’s old enemy is certain to draw the ire of Cyrus Duvall and his powerful Humans First movement.

The disaster at Terra Four has plunged the Union into a state of emergency. The government is losing control, powerless to stop the rise of Apophis, re-born God King of the Aternien Empire. Meanwhile, Cyrus Duvall’s Humans First movement continues to gain momentum. Acting decisively in humanity's hour of need, Duvall is seen as a savior. Millions flock to his cause, fracturing the people of the nine worlds in a time when unity is needed most.

In the aftermath of Operation Serpent, Master Commander Carina Larsen must face the consequences of her actions. Relieved of duty and separated from the Longsword Ascalon and her crew, she awaits her fate when disaster strikes. The devious plan masterminded by the Aternien Serpent God, Apophis, is coming to fruition, and the remaining planets of the Union are thrown into chaos and disarray.

The Union is on the verge of total collapse. Apophis, the Serpent God King of the Aternien Empire, stands ready to complete his mission and consume the remaining Union worlds, starting with Terra Prime - Earth. With no other option, the president declares his intention to surrender. But Apophis craves only destruction and revenge. Yet, deep beneath the desert sands of Egypt, hope sparks. The last Master Officers, led by Carter Rose and Carina Larsen, haven't given up.

They saved humanity, then vanished. Now they've returned to a galaxy that no longer remembers them. Master General Carter Rose and Major Commander Larsen emerge from the void after an impossible journey, only to discover that the Union they fought to protect is gone. Carter and Carina must navigate a future where old heroes have become myths and old allies the galaxy's greatest threat. In a galaxy that's moved on without them, the greatest warriors of the old world must fight for a future that has forsaken them, or become relics of a war everyone else has forgotten.

To save the future, they must resurrect the past. Master General Carter Rose and Master Commander Carina Larsen have found the last survivors of the Aternien race, but their refuge is a gilded cage. To escape the synthetic Anthropics hunting them, they must execute an impossible heist - seize...