It would be mine.

The faster my heart beat in a moment of coercion, the more completely the structure would close around whoever was doing the coercing.

I found a great deal of peace in that, in the strange months of building it — the knowledge that the next time a powerful man leaned over me and tried to use my own terror to force my hand, my terror would be the very thing that destroyed him.

They had spent years teaching me to be afraid.