Professor Snape stood to one side, arms crossed over his chest, watching Sir Granger's reaction with a blank expression.
His voice was low, each word precise, yet tinged with an uncomfortable coldness, as if he were struggling to suppress some emotion—such as the urge to sneer.
"Fully automated potion brewing, alongside the intersecting research methodology of Transfiguration and Potion-making, is our laboratory's proprietary technology, which has not yet been publicly disclosed."
Chapter 122