At the Midnight Masquerade, no mask hides forever. Vivienne D’Arcy is a vision of cruelty and decadence—silk, fur, and silver teeth concealing a hollow ache for devotion she refuses to name. Salem Veyne is her a butch phantom scarred by possession, clad in leather and silence, a woman who wrestles demons and wins. When the Masquerade fractures under blood, betrayal, and monsters torn from nightmare, the two are drawn together in a collision of ruin and desire. Their alliance is reluctant. Their attraction is blasphemy. And their devotion is unholy. Amid mirrored chambers, desecrated chapels, and lakes drowned in moonlight, Vivienne and Salem fight monsters and each other—until worship and destruction become the same vow. To choose each other means to damn themselves, but in a world where only fear or worship keeps you alive, damnation might be the only kind of devotion worth dying for. The Monster’s Heart is a standalone sapphic gothic romance in The Midnight Masquerade Chronicles, brimming with monsters, masks, and unholy love.