"I had the opportunity to collect a number of strange samples when Mr. Stark and I travelled to manage the Bierstagg rift. Given their toxic nature, I thought it best to keep them in a secure place for study rather than in the Gallows workshops where someone might stumble upon them unawares."

She is being the very height of responsible, thank you very much.

"Once I have a reliable stock from which to cut from, I would like to consult with Miss Van Klerk or Madame Smythe to see how best to use it. I suspect a grenade formula, or perhaps simply a coating for arrow heads."