" Fjotra is the blood bond. They aren’t brothers,” I corrected her.
“That’s munstrǫnd fjotra. Sál fjotra is a bond between souls.” I stared at her.
“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. "

― Adrienne Young , Sky in the Deep (Sky and Sea, #1)