Claire must choose: guardian or destroyer.

SHOCKS Victoria lies in ruins. Claire defeated her best friend and biggest enemy. Now, she turns her eyes southward, toward the Olympic Peninsula, where the battle's survivors have fled. SHOCKS's director has an idea to weaponize Claire's power, and her best friend and father are traveling with them. Claire wants them back, and she wants that idea under wraps.

But a human bonded to a reality-warping anomaly is after her, and time is running out for all of Reality Zero. If Claire wants to stop the inevitable end of the world, she'll have to gain power, and that means Mergewalking to other realities. As she travels from reality to reality, trying to beat Merge Prime, Claire finds herself trapped in a web of conspiracies. She can't trust all of her allies, and she and some of her enemies have the same goals.

Claire must figure out a solution to the Merge Prime equation. The constants are in place. The variables are starting to lock in. And unless something drastic changes, time is running out for Claire to be a Guardian Angel. Soon, she'll have to embrace her role as a Destroyer of Worlds, whether she wants to or not.

And she'll have to do it before the godlike entities trying to end her reality succeed.