I am building a vault in a base. I want to make it harder to get into, so I am increasing its PD, ED, & BODY. I'll also buy hardened, impenetrable, affects desolidfication, and can't be escaped by teleportation, but I'm trying to prevent people from getting in by extra-dimensional movement. Does anybody have any suggestions of an economical way of doing this. I can build a large drain or dispel against that power to garenty that extra-dimensional movement does not work, but that would be very expensive. Does any body have any other suggestions?