Bless, she recall her class about conversion gadgets. The teacher said they always change the model of their guns, either through, shields, resistance, everything, they know very well the crooks wish to break their conversion stuff. As for the mistress doll? Their density gets harder plus their resistance can easily change in upgrades. Oops, that's something Sophie and the doll forgot to tell Flint, they knew Flint, was a spy.