Congelation is the process by which something congeals, or thickens. When the phlegm gathers, the child quickly "cools" and the blood congeals, causing death. It melts at about and congeals at . Lugaw is usually eaten hot or warm, since the gruel congeals if left to cool. They cannot be sealed within Makai Blades when vanquished and their essence congeals into stones. When cooled, the stock congeals because of the natural gelatin found in the skull. It is eaten hot or warm, since the dish congeals if left to cool. Stocky, gray-skinned human-like beings whose blood, when shed, congeals immediately into a solid protective layer.