Floor Collapse Timer
ConceptA countdown that forces crawlers to descend to lower floors. Safe rooms close before collapse, and failure to descend results in death.
Book Appearances
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Book 1
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Book 2
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Book 3
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Book 4
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Book 5
8
Book 8
A countdown that forces crawlers to descend to lower floors. Safe rooms close before collapse, and failure to descend results in death.
Book 1
Book 2
Book 3
Book 4
Book 5
Book 8
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