small zy symbiont in the size of a fist but capable to inflate itself to the size of a cabin. the vaultoid is often used as a sort of portable home but can also serve as a emergency shelter. It's underside is full of strong suction cups, cabable to hold the vaultoid on every surface, no matter what. the rubbery, thought outside skin can resist even strong storms, great heat and cold, poison and even radiation. the inside is soft and comfy and as the perfect clima. its possible to connect several vaultoids to form a smasll base.