Ninvella

“Jesper knocked his head against the hull and cast his eyes heavenward. “Fine. But if Pekka Rollins kills us all, I’m going to get Wylan’s ghost to teach my ghost how to play the flute just so that I can annoy the hell out of your ghost.”
Brekker’s lips quirked. “I’ll just hire Matthias’ ghost to kick your ghost’s ass.”
“My ghost won’t associate with your ghost,” Matthias said primly, and then wondered if the sea air was rotting his brain.”
― Leigh Bardugo, Six of Crows