The Shadowborne. The Shadow Tides Saga, #2

Some secrets bury kingdoms. Aria's could break them. After escaping the queen's hunters, Aria is forced deep into the heart of the City of Shadows-where every step threatens to expose the truth she has spent her life not knowing. Her bond with Rowan grows stronger, more dangerous, and harder to control, pulling them together even as the world tries to tear them apart. But when a figure from Aria's past emerges from the darkness, the truth hits harder than any blade:her bloodline should not exist.
Not human. Not other. Something older. Something impossible. Now the queen wants her more than ever. As ancient magic awakens inside her and winter rises in her veins, Aria must confront the one question she fears most:Is her power a gift. or a weapon meant to open every Breach between worlds?When the Bond is attacked and Rowan shatters under the strain, Aria makes a choice that will change the fate of both their lives forever.
A story of forbidden magic, unbreakable bonds, twisted loyalty, and the soft-burn romance readers adore - with a cliffhanger that opens the door to Book Three.