Selina’s POV The descent into the throat of the upper fissure was a slow, punishing exercise in survival. The heat rising from the lower shelves was immense – a baking, dry force that made the obsidian beneath our boots feel like plates of fresh-cast iron. I kept my palms close to the basalt walls, using the Stone Spark to draw a microscopic line of cool, dense granite up through the rock to keep our footing from melting beneath us. "The air is too thick here," Elias choked out, his sleeve pressed hard against his mouth as a sudden gust of sulphur-smoke swirled up from a vent. "The heat is distorting my Sight, Selina. Everything looks like liquid." "Keep moving," Finn grunted, his gold hybrid bulk providing a solid barrier between the wind and the twins. Gideon was right beside him, his

