Talk:Muffet/@comment-27226135-20151024173233/@comment-201.37.242.201-20151025022345

Plus mettaton only hired the monsters that are in the core (the shadows that apear in your way).

He only changes shape when the human flips the switch in his back during his fight in the core, and he doesn't revert back to his previous form, i assume he can't without help from alphys at least.