"Agreed." Ariel bent to the task of separating the chemicals. He knew this very well, and it was as the demon said; it would be impossible to damage any of these unless he'd lost some of his actual brain cells.
He murmured a few old binding spells as the ingredients separated and collated again, making sure the procedure was correct and there were no impurities; as usual, there were not. For one moment, the smell of the chemicals sent him far away, back to dirty back alleys in China and burning poppy-scented everythings to mask the odors.
Ariel shook his head hard to get the vision out of his mind, making sure the process was still humming along, no thanks to his flight of fancy.