Her brain fell into the habitual and familiar pattern of scanning, seeking, searching through the vault in her mind for possible solution. But all it came up with was an unfamiliar emptiness. When everything fails what is left to do? Some action must be taken, even if it is the action of failure.
With a brisk quick brush of her hands, before she could reconsider, she dropped the last of the gunpowder residue to the ground and let it take with it her last plan, their last option for salvation.