Each layer is a world in itself: First layer: The edge of the abyss 0-1,350 m-An almost friendly environment, if the first effects of the curse are ignored. Mild discomfort, nausea. Red whistle Second layer: The forest of temptation 1,351–2,600 m - mutated vegetation, hostile fauna. Intense nausea, numbness, vomiting. Blue whistle. Third laye...Read more