Robert got some of the dust in a bottle for the dragons to examine, and Dorisma also grabbed a handful. She was probably thinking she could use it as a weapon. As much as Trey would enjoy seeing a human slowly rot to death, it could potentially be dangerous. There was no telling whether or not it would keep spreading to the ground beneath whatever she killed with it. "Be careful with that, Dorisma." He said. "We don't really know how the dust works yet."