The Amplifier Protocol — Meghan Ciana Doidge

They called me an amplifier. And they had bred me, raised me, and trained me to be a killer with preternatural precision. I was capable of taking, holding, and transferring power that wasn't my own with a simple touch. Skin-to-skin contact. Along with four others of my generation, I could infiltrate any magical organization, extracting whoever or whatever I'd been ordered to extricate. Then I could destroy all evidence of our passing presence.
They had made me. They directed me. Controlled me.
Then they tried to kill me.
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The Amplifier Protocol by Meghan Ciana Doidge is the prequel novella (40k) for the Amplifier series, which is set in the Adept Universe along with the Dowser, the Oracle, and the Reconstructionist series. It also includes a BONUS novelette (16k), Close to Home (Amplifier 0.5).

Reading order:
•The Amplifier Protocol (Amplifier 0)
•Close to Home (Amplifier 0.5)
•Demons and DNA (Amplifier 1)