Water bought them time.Cold will decide whether they can keep moving.In Volume 3 - The Cold Line, survival shifts into a harsher equation. With a drying basin behind them and starvation overtaking dehydration as the dominant threat, Gabriel must force movement into a colder climate band where heat loss slows-but injury, exposure, and hunger become deadlier than before.Cold does not offer safety.It punishes weakness.Wind strips warmth faster than shivering can replace it. Dexterity fades. Hunger erodes coordination quietly, turning small mistakes into terminal ones. Staying still saves calories but risks cold injury; moving generates heat but burns energy they do not have. Every choice closes another door.Bound together by necessity and proximity, Gabriel and his silent companion must navigate this new regime knowing that separation is lethal-and that desire, now sharper than exhaustion once allowed, must be suppressed because survival cannot afford it.This is not a recovery story.There are no rescues. No resets. No easy ground.The Cold Line is a procedural, physics-driven survival novel about endurance under changing rules-where progress means only reaching the right place to face what comes next.