At twelve, Elara Morrow thought the world had forgotten her. Then the letter came-sealed in iron, marked with her bloodline's lost crest.Beneath London's streets lies the Academy of Unseen Inheritance, a secret school built on the ruins of old family vaults. Every student carries a fragment of their ancestor's magic-memory, element, shadow, or craft. Every gift comes with a cost.Elara's cost is still waking.When a forbidden vault stirs beneath the school, she and her new allies must survive the trials that bind the four Houses before the magic inside devours them all. But the deeper she descends, the more she learns: some legacies don't want to be claimed-some choose their own heirs.As rivalries ignite and loyalties twist, Elara finds herself drawn to a boy sworn to silence, bound by laws older than love itself. Together they'll face the Fifth Vault-where every choice writes its own curse.Fans of Harry Potter, Fourth Wing, and A Deadly Education will devour this breathtaking new series about belonging, power, and the cost of both.Power always costs. Choice outranks destiny. Found family means more than blood.