Time itself is coming apart at the seams, and Duff Roman stands at the epicenter of the chaos.

Rifts in reality rip open across Planet Kalecca—yesterday’s events repeat on a loop, while ancient creatures from the past spill into the present. To prevent total temporal collapse, Duff and the Z-Crew must journey to the heart of an underground artifact where the Time Rift first erupted. Their only hope lies with Horizon: the little girl torn out of her own time, whose very existence might be the key to healing the timeline. But Horizon is also Ravenne’s long-lost daughter, and the tyrannical Company leader would rather destroy time itself than lose her child again.

In the bowels of a crumbling mountain stronghold, Duff faces double the danger as the unpredictability of the rift conjures a duplicate Ravenne from another timeline.

With reality literally falling apart and escape routes vanishing in the blink of an eye, Duff is pushed to his breaking point.

Will he find a way to send Horizon back to where she belongs and seal the rift, or will he be forced to make an unthinkable sacrifice?

In this electrifying finale, every second counts—and even time isn’t on their side.

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