Flame Horizon (Paperback) (ISBN-13: 9798996287703)

Cassie Hale has learned what it means to lose everything and everyone. Twice.

After the Obsidian attack on Hallow Academy, she's left with grief, guilt, and abilities she can't explain. Cassie is a Phoenix. One wave of her hand, and she can shatter the Obsidian's hardened exterior-if she's willing to use the same flames that destroyed her life.

Fueled by a promise she's determined not to break, Cassie escapes beyond the walls, seeking answers in the one place no one survives: Pellema, the birthplace of the Obsidian.

Yet she doesn't stay alone for long. When Cassie crosses paths with another Phoenix, he offers guidance in the power she doesn't want to accept...and a connection she can't ignore, even as her heart lingers on the one she left behind.

But the farther they go, the more the world closes in. Now, it's not just the Obsidian hunting her. And some truths are more dangerous than the monsters themselves.

Cassie isn't just searching for answers; she's being led toward something far worse. If she keeps hiding from what she is, it won't just cost her the people she loves.

It will cost her humanity.