Bound by Blood and Soul - Mikaelson Mate

A thousand years before Morgana is born, Esther Mikaelson casts a spell to bind her vampire children's souls to a soulmate yet to exist - because apparently, even immortal troublemakers need a little redemption. The spell awakens intense emotions: possessiveness, protectiveness, unwavering love... and a fair amount of confusion. Freya wants to claim and guard, Kol quietly broods, Elijah panics if anyone else even breathes near her, Klaus threatens literal violence at minor annoyances, Rebekah silently shields, Finn patiently waits, and Henrik... well, Henrik just worries a lot.

For centuries, they shrug it off, blame it on the vampire diet, and live their chaotic immortal lives. That is, until Morgana finally arrives - and suddenly, centuries of awkward tension, obsessive devotion, and very over-the-top love make sense.