?

i guess in a normal case but this was made specifically by the marquis and is magically made so it's probably got very different properties to a normal poison

Nah, poisons are toxic due to specific structures in their molecules reacting with the body, the molecules are pretty delicate especially when plant derived so even getting a little hot can sometimes be enough to inactive them bc the molecular structure is denatured (kind of like microwaving birth control stops it working) if it was an acid or mineral poison maybe burning it would cause it to be released, but depends how strong the incinerator is

Thanks. That totally made sense

Thank you didn't know much about molecular Sciences or pharmacy so this is a good to know. Thanks

I was thinking that the mirror probably won't burn, but I was worried about how she'll know if it burned or not, you know?