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A Vow of Vengeance: MM Fantasy Romance (Vows of Unity Book 2)

Lionel Hart
4.6 / 5.0
Published: 2026

Description

Alwyn Alara is a lethal elven assassin whose entire existence is tethered to the cold, unforgiving mandates of the Order of Twilight. When his standing within the Order begins to crumble, he is handed a grim ultimatum: infiltrate a high-stakes mission and execute the rebel orc warlord Zesh before he reaches the King’s judgment. It is a solo job—until he is forced to partner with Krujha of the Shifting Sands, a charismatic orc spy whose optimism is as maddening as it is captivating. Krujha has spent his life fighting to save his homeland from the ravages of war, but meeting the prickly, guarded Alwyn makes him entertain the dangerous possibility of a future beyond the battlefield. Despite their clashing temperaments and opposing loyalties, the undeniable spark between them ignites into a fire that threatens to consume their resolve. As they navigate a treacherous journey, they must reconcile their violent pasts with the newfound longing for something more. Surrounded by political machinations and the weight of two nations on the verge of collapse, Alwyn and Krujha must decide if they are willing to lower their defenses—or if the cost of their secret affection will ultimately be their lives.

Customer Reviews

Top 4 from Amazon
R
Ruby Go
May 21, 2026

Great book!

“Maybe we could find out what it is we want to do together.” Alwyn, an elven assassin, failed his last mission and when his mentor gave him a chance with another secret mission, he vows to do everything to succeed. He didn’t factor in orc spy, Krujha, who shown him kindness in ways he never felt. Together, they embarked on an adventure to take down the rebel orc warlord. Lionel Hart, I have been sleeping on your books. I saw the cover and immediately want to read it so I did, in a span of a few hours which was surprising considering fantasy is not my usual genre. This is the second book in the series but I have no problems understanding the world, the politics and the people. It took me maybe 3 chapters in before I got the gist, and the writing style is easy to understand so the whole experience became very enjoyable for me. I have been enjoying fantasy books with queer protagonists on it so I am open to reading more Lionel Hart’s books especially with this whole universe. Characters, both Alwyn and Krujha are endearing with their own strong skillsets that were interesting to see. Alwyn’s a sorcerer assasin which was very intriguing to follow, and even Krujha’s ability to immediately locked in switching personalities to keep up as a spy was amazing. I usually say this but the travel aspect in books is not something that I like or prefer reading, but in this one, there’s no dull moment or ‘dead air’ as everything was gearing towards an end goal. It doesn’t feel…
M
Mischief
May 16, 2026

Absolutely everything I hoped for!

A Vow of Vengeance is the perfect second installation of the Vows of Unity series. The number one rule of spycraft is not to fall in love with another spy but damned if Alwyn and Krujha are going to follow the rules. Honestly, Lionel Hart is a master of creating a world you can just get lost in. While it is a delicious slow burn romance at its heart, the political machinations bring you twists and turns so fast it leaves your head spinning. There were several moments where you think the happily ever after is right around the corner, then you look down at your percentage read and realize "Oh no, what else can happen to our darling MCs?" The finish of the book leaves you both sated and eager for the next installment.
S
Simão Pereira
May 17, 2026
Verified Purchase

Full of so much emotion and feeling!!

I absolutely devoured this book and am proud to say so. There’s quite literally nothing I would change about it - and I am forever mesmerised by this author’s ability’s to write such compelling, complex characters with such endearing dynamic’s between them! It’s such an amazing continuation of the series and honestly one of my favourite instalments. There were so many time reading this where my chest felt tight with emotion, I was smiling to myself like an idiot, or I was fidgeting with anxiety for the character. Genuinely, what a well-written story, I loved every page within it. Alwyn and Krujha deserve the WORLD I LOVE THEM SO MUCH!!!!!
B
Brit
May 15, 2026
Verified Purchase

5 stars!

After reading A Vow to Heal I was really hoping Alwyn would get a book! Alwyn and Krujha were so perfect together. This was an epic slow burn as the two of them go on their journey. I just loved learning Alwyn’s story and what happened after the events in A Vow to Heal. He is so very loyal, to a fault and just wants to prove himself. Krujha is a very calming presence, he’s strong in every sense of the word. I could read so much more about these two. I can’t wait to see what Lionel writes next!