"Very deadly. I once wrote a dissertation on the various toxins? Trust me, a drop of that and your nervous system is fried, then your heart stops and your respiratory system fails. Luckily in that order, otherwise it would be quite painful."

He laughs nervously because he just remembered that that is what he is headed towards – but it also makes Peter's case even more mysterious and now Flynn is getting curious.

"Do you have any magic protection?" They're literally in a Library full of magic things, it's his first conclusion, really.