Inferring the manufacturing method of a potion from its known ingredients is far simpler than creating a new potion or improving an existing one.
Severus had already used deduction and experimentation to roughly determine how to make the Wolfsbane Potion, leaving only the fine details to be gradually mastered.
He looked up from the curling smoke of the Cauldron, feeling as though he had heard Camelia's voice while his mind was racing just moments before.
Chapter 104