Apprentice baker Milo and Apprentice Clara in the Confectionery Tower face a severe thermal overload in Vat Seven, which threatens to destroy the foundational Winter Solstice Spice Mix. This overload is a direct, compensatory reaction to the intense cold elsewhere, likely stemming from the actions near the Star Box Repository. Milo determines that standard venting is useless and decides the only countermeasure is the highly volatile Ember Moss, stored deep within the restricted Sub-Level Three, Section Gamma. Clara agrees to manually regulate the vat's input flow, risking a localized snowstorm if Milo fails to return quickly. Meanwhile, Master Cartographer Silas in the Grand Repository of Maps realizes the various system failures are not random drains but forced conceptual collisions designed to break foundational stability, specifically targeting the acoustic alignment near the Great Clock Tower. Silas rushes to warn the Chime Tuners. Milo reaches Sub-Level Three and discovers a manifestation of absolute conceptual absence—a gray null object—actively trying to absorb the thermal energy of the Ember Moss, forcing Milo into a direct, physical confrontation with the nullity.