The Iron Vow Society Series by K.S. Valentina

2.50 · 1 ratings
  • Study in Scarlett (The Iron Vow Society #1)
    #1

    Study in Scarlett (The Iron Vow Society #1)

    K.S. Valentina

    Rated: 0.00 of 5 stars
    · 0 ratings · published 2026

    I arrived at Obsidian Marrow Academy as a Dreg—a hollow space where magic goes to die. I didn't realize I was the one who was going to devour it all. In a world governed by blood oaths and ancient lineages, being a "Dreg" is a death sentence. At the elite Obsidian Marrow Academy, I’m the lowest of the low, a girl with a void where a soul should be. I was supposed to be a sacrifice—to be used and discarded by the elite of the Iron Vow Society. But the mountain has other plans... more

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  • Study in Scarlett (The Iron Vow Society #1)
    #1

    Study in Scarlett (The Iron Vow Society #1)

    K.S. Valentina

    Rated: 2.50 of 5 stars
    · Steam rating: 3 of 5
    · 1 ratings · published 2026

    I arrived at The Obsidian Marrow as a Null—a hollow space where magic goes to die. I didn't realize I was the one who was going to devour it all. In a world governed by blood oaths and ancient lineages, being a "Null" is a death sentence. At the elite Obsidian Marrow, I’m the lowest of the low, a girl with a void where a soul should be. I was supposed to be a sacrifice—a battery to be used and discarded by the elite of the Iron Vow Society. But the mountain has other plans... more

  • Tithe of the Sovereign (The Iron Vow Society #2)
    #2

    Tithe of the Sovereign (The Iron Vow Society #2)

    K.S. Valentina

    Rated: 0.00 of 5 stars
    · 0 ratings · published 2026

    She found the bodies. The Headmaster smiled and gave her a pardon. Scarlett uncovered the worst secret in Obsidian Marrow Academy and lived. Now Headmaster Malakor, the three-thousand-year-old Lich and institutional monster, has told her to continue her studies. She knows what that means. She's not forgiven. She's being watched. The void inside her is getting hungrier, and the only thing keeping it from swallowing her whole is the three of them... more

  • Ashes of the Vow (The Iron Vow Society #3)
    #3

    Ashes of the Vow (The Iron Vow Society #3)

    K.S. Valentina

    Rated: 0.00 of 5 stars
    · 0 ratings · published 2026

    The machine is dead. Malakor is dead. Four hundred students are breathing free air for the first time in years, and somewhere beyond the valley, five families are deciding how to take it back. Scarlett Locke knows how this works. You don't win. You buy time and spend it well. The codex points southwest. Toward the border mountains. Toward the woman who left a baby on a government desk twenty years ago and walked into the dark so they couldn't have both of them... more

  • What the Nothing Holds (The Iron Vow Society #4)
    #4

    What the Nothing Holds (The Iron Vow Society #4)

    K.S. Valentina

    Rated: 0.00 of 5 stars
    · 0 ratings · published 2026

    Six weeks since the Cascade. Six weeks since Scarlett Locke sealed the extraction, freed the mountain, and learned what it cost to be the weapon the world needed. The Obsidian Marrow is healing. So is she. But beneath the amber warmth of recovered ley-channels and Syth's patient presence in the stone, something ancient has been watching. Learning. The Maw doesn't fight the recovery. It studies it — mapping the new channels, memorizing the routes, waiting for the seal to fail... more

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