Xian Warriors Books in Order
Part ofRegine Abel Books in OrderFind the Xian Warriors books by Regine Abel in order, with summaries, character connections, and guidance for starting this alien-invasion romance saga.
Last updated: July 15, 2026
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Xian Warriors books in publication order
11 books
Legion
by Regine Abel
2018
Psychic Ayana wants to join the Vanguard fighting the Kryptids, but cannot perform the vital act of soulcatching. Legion offers her his soul, and their bond is tested when betrayal threatens the warriors from within.
Bane
by Regine Abel
2019
In the war against the Kryptids, another Xian warrior finds his future tied to a human ally. Their romance develops amid military danger, psychic bonds, and the desperate effort to protect both Earth and the Xian people.
Raven
by Regine Abel
2019
Traumatized psychic Liena joins a mission on the Xian homeworld to stop warrior units from mysteriously dying. Raven knows she is his mate, but helping her trust psychic contact may be essential to saving their species.
Chaos
by Regine Abel
2020
The war against the Kryptids continues as Chaos and a human ally are pulled into an escalating fight for survival. Amid battles and shifting loyalties, their connection offers a reason to believe a future is still possible.
Doom
by Regine Abel
2020
When Kryptids invade Earth, small-town doctor Victoria fights to protect survivors in a makeshift hospital. Bioengineered warrior Doom and his war beast offer help, but their growing bond may also become hope for an endangered species.
Varnog
by Regine Abel
2020
A Xian warrior and his human counterpart face the ongoing Kryptid threat in a romance shaped by danger, duty, and psychic connection. Their relationship must hold while enemies keep pushing the survivors toward the edge.
Reaper
by Regine Abel
2021
Reaper's place among the Xian Warriors leaves little room for trust or tenderness, until a human woman changes his priorities. Together they face the continuing invasion and the personal cost of a life built for war.
Wrath
by Regine Abel
2021
In a world still threatened by the Kryptids, Wrath finds an unexpected partner who challenges the life he has known as a warrior. Their romance grows alongside a dangerous mission with consequences for everyone around them.
Xenon
by Regine Abel
2021
Xenon's story returns to the Xian Warriors' long fight against invasion and extinction. A new romance offers hope, but the couple must navigate the pressures of war, loyalty, and a future that remains uncertain.
Nevrik
by Regine Abel
2022
A warrior shaped by conflict finds his path crossing with a woman who changes what survival means to him. Their developing relationship unfolds against the continuing dangers and interspecies alliances of the Xian universe.
Rogue
by Regine Abel
2023
A romance set in one of Abel's dangerous speculative worlds, where a rogue outsider and a determined heroine must contend with survival, mistrust, and forces that would rather keep them apart than let them choose each other.
Xian Warriors books in chronological order

Doom
by Regine Abel
2020Xian Warriors, Book 1
Legion
by Regine Abel
2018Xian Warriors, Book 2
Raven
by Regine Abel
2019Xian Warriors, Book 3
Bane
by Regine Abel
2019Xian Warriors, Book 4
Chaos
by Regine Abel
2020Xian Warriors, Book 5
Varnog
by Regine Abel
2020Xian Warriors, Book 6
Reaper
by Regine Abel
2021Xian Warriors, Book 7
Wrath
by Regine Abel
2021Xian Warriors, Book 8
Xenon
by Regine Abel
2021Xian Warriors, Book 9
Nevrik
by Regine Abel
2022Xian Warriors, Book 10
Rogue
by Regine Abel
2023Xian Warriors, Book 11
Series background & context
The Xian Warriors series combines alien-invasion action with science-fiction romance. Earth is under attack from the Kryptids, an enemy force that wants to turn the planet into a breeding ground. The Xian Warriors, genetically engineered soldiers and their war beasts, arrive as humanity's strongest defense.
Saving Earth is only the first problem.
The series begins with Doom, where small-town doctor Victoria is trying to protect patients in a makeshift hospital when the invasion destroys everything familiar. Doom is built for war and has spent years fighting Kryptids across the galaxy. His connection with Victoria gives him a reason to fight for more than another military mission, especially when the Xian people themselves face possible extinction.
Later books follow other warriors, human psychics, medics, soldiers, and allies as the war grows more complicated. Legion involves the elite Vanguard and a psychic whose powers do not work as expected. Raven follows Liena, a woman carrying trauma from past abuse, as she helps investigate why entire warrior units are being wiped out. Each romance is distinct, but the Kryptid threat and the Xian struggle for survival tie the books together.
The series has a more military feel than Abel's matchmaking books. Battles, rescue missions, scientific mysteries, psychic bonds, and questions of leadership all have space beside the relationships. Still, the emotional engine remains the same: people who have been shaped by violence trying to create trust and a future.
Read in order, starting with Doom. The story builds across the series, and recurring characters, threats, and discoveries have more impact when you follow the warriors from the beginning.
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