Sky in the Deep (Sky and Sea, #1)

by Adrienne Young

“Fjotra,” she said, under her breath. “Fjotra is the blood bond. They aren’t brothers,” I corrected her. “That’s munstrǫnd fjotra. Sál fjotra is a bond between souls.”

“This kind of bond is formed when a soul is broken. It’s formed through pain, loss, and heartbreak. They’re bound by something deeper than we can see. And that made Iri family.”