Selina’s POV The ancient drainage channel was a vertical throat of slick, black glass that dropped straight into the steaming bowels of the ridge. The air inside the shaft was suffocatingly dense, thick with a heavy, wet heat that turned the fallen soot on the stone into a greasy sludge. Far below, the low, rhythmic thump-hiss of the volcanic core vibrated through the rock, sounding like a massive iron heart buried in the deep. "Single file," Finn’s baritone came as a muffled rasp from the darkness ahead. He slipped into the opening first, his golden form instantly coated in a sheen of dark, mineral-stained sweat. Gideon followed without hesitation - Wesley, Andreas and Benson behind him, finding the narrow footholds the ancient miners had cut into the obsidian walls. Elias and Isolde

