The Shadows Between Us By Tricia Levenseller -

"You're staring again," a voice like shifting gravel whispered near her ear.

Kallias didn't pull away. Instead, the shadows wrapped around her wrist—not crushing, but tethering. "A dangerous ambition." The Shadows Between Us by Tricia Levenseller

Alessandra didn't flinch. She turned to find the King's Master of Guard, a man whose eyes were as cold as the floorboards. "It’s hard not to stare at a man who wears darkness like a cloak. Tell me, does he ever actually touch the ground, or does the abyss carry him everywhere?" "You're staring again," a voice like shifting gravel

"I am a king of ghosts and secrets," he said, stepping closer, his eyes searching hers for the fear that usually greeted him. "A dangerous ambition

"Step back, Lady Stathos," Kallias said, his voice a low, melodic warning. "The darkness isn't fond of company."