Crowned By the Shadow by Helen Scott

I never asked to be the Eclipse Child. But life doesn’t always give us a choice, does it?
Now my best friend has been abducted by someone I thought was an ally. The Starforged Mirror has been stolen and there’s someone in my visions calling me daughter. Oh, and somewhere in liminal space waits the Void Dragon Empress, who grows stronger with every passing moment waiting for her chance to break me.
As realms crumble and ancient truths emerge, I face an impossible choice: embrace my destiny and sacrifice my future with Thorn, or risk cosmic collapse by failing to defeat the Empress.
Legends say an Eclipse Child brings either salvation or destruction. But I refuse to accept that fate without a fight, especially when I discover who and what the Empress really is.
The final battle approaches. The artifacts call. And I must find the strength to rewrite a prophecy older than the realms themselves.