At first, Scorpius" arms begin to shake. He wraps them around his chest - it is the immense tension of actually receiving a volunteered piece of information from Albus, he is sure - but it spreads relentlessly. Soon the trembling has taken hold of his chest, his heart, his throat. Albus exhales heavily, steps up and reaches into the foot-wide gap between the stone tablet and the wall (another world of shadows), and the shaking coats his legs as if he were just cold.