Tempus Lutetiae. A Tempus Militibus Novel, #7

Once He was a brilliant young officer in Napoleon's grand armee. Charming, reckless, and shining with promise. Just before the battle of Quatre Bras, he is claimed by a creature older than empires, and death becomes something far more complicated. Reborn as a vampire and initiated into the secretive ranks of the Tempus Militibus, immortal guardians who walk unseen through history. Remy learns to wage war in the shadows.
Told to recover, the Star of Napoleon, a blood-red jewel capable of immense power, that has disappeared into the underworld of the city. To reclaim it, Remy Mael must descend into Paris's labyrinth of catacombs, whispered Latin rites, and candlelit salons where devotion and damnation share the same wine glass. But Paris, the City of Light, has always had secrets. Always had fangs. When Remy crosses paths with the dangerously enchanting vampire Eriu once more, desire flares like a match struck in the dark, it's beautiful, brief, and perilous.
Some truths between them are better left unspoken. because once admitted, they ruin everything they touch. TEMPUS LUTETIAEA gothic tale of seduction and steel: where love is a weapon, loyalty cuts deep, and immortality is never free.