Emperor's Assassin Series by Kai Butler

4.35 · 94 ratings
  • Betrothed to the Emperor (Emperor's Assassin #1)
    #1

    Betrothed to the Emperor (Emperor's Assassin #1)

    Kai Butler

    Rated: 4.28 of 5 stars
    · Steam rating: 3 of 5
    · 48 ratings · published 2025

    I was born to kill the emperor, but first, I must marry him. I trained as an assassin while my twin sister trained to be the empress. My life will be forfeit once I murder the most powerful man on the continent, but I have no choice. If I fail, the Imperium will consume our nation and anyone who rises against them... more

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  • Emperor's Wrath (Emperor's Assassin #2)
    #2

    Emperor's Wrath (Emperor's Assassin #2)

    Kai Butler

    Rated: 4.36 of 5 stars
    · Steam rating: 4 of 5
    · 27 ratings · published 2025

    In this den of vipers and vultures, can I trust the emperor I was sent to kill or is he using me to destroy all I love? I abandoned my destiny in favor of a new goal: working with Emperor Tallu to take down the Southern Imperium. Only things are not so easy when we’re faced with the imperial generals who brought the continent to its knees... more

  • Shadow Throne King (Emperor's Assassin #3)
    #3

    Shadow Throne King (Emperor's Assassin #3)

    Kai Butler

    Rated: 4.47 of 5 stars
    · Steam rating: 3 of 5
    · 15 ratings · published 2025

    As the Imperium crumbles beneath our feet, will I be able to keep hold of Tallu? The imperial generals who so loyally served Tallu's monstrous father have declared war on us and fled the capital. The enemy nation of Krustau claims to have Empress Koque and Prince Hallu, the second son of Emperor Millu. If that is true, Krustau would have claim to the Imperium's throne... more

  • Dragon Blood Curse (Emperor's Assassin #4)
    #4

    Dragon Blood Curse (Emperor's Assassin #4)

    Kai Butler

    Rated: 4.75 of 5 stars
    · Steam rating: 3 of 5
    · 4 ratings · published 2026

    The generals that once served Emperor Tallu now pursue us across the continent. General Bemishu and Kacha have made their move and we find ourselves trapped by the role Tallu has been playing his entire life. As we search for allies, the rules of imperial politics force Tallu to act more and more like his deranged father. Still, we have a hint of hope: somewhere in the dangerous Tavornai swamps, another animalia spins her webs and rearranges fate to her own desires... more

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