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K. Arsenault Rivera is a writer. She was born in Mayaguez, Puerto Rico, US and raised in New York, US. She is the author of the Ascendant trilogy, as well as a writer on Batman: The Blind Cut and The Shadow Files of Morgan Knox. She's a lifelong Brooklynite and a fan of all things nerdy. She drew on her love of tabletop gaming for her debut novel and celebrate its release with a Magic: The Gathering tattoo.

Arsenault Rivera contributed to the Magic Story for Innistrad: Midnight Hunt[1] and Innistrad: Crimson Vow.


  1. K. Arsenault Rivera (September 2, 2021). "Episode 1: The Witch in the Woods". Wizards of the Coast.

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