An Oath and a Promise (The Riehse Eshan Series) – by Adelaide Blaike

Just when Ren had everything he wanted – Mathias, Quareh’s throne, and the chance for peace they’d fought so hard for – it was cruelly ripped away. Now him and Mat are on the run from their own people as they desperately search for a way to restore the prince’s name and protect the country they love.

Hunted across the continent by enemies old and new, it will take everything they have to survive. But if peace in Riehse Eshan can only be achieved at the cost of losing each other, is it too high a price to pay?

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An enemies-to-lovers M/M dark fantasy romance where Reign meets Captive Prince. Dual POV, first person, and a HEA.

An Oath and a Promise is the fourth and final book in this series. Recommended for adults only; reader discretion is advised.