Undestroyable in a sentence as an adjective

Because then you end up with an undestroyable horcrux and a first-year wizarding student who performs tasks nearly without assistance that a full caper crew of adults might find insurmountable.

What safety measures do you employ to make sure it is never given a connection to the internet where it could, in theory, spread itself not unlike a virus and gain incredibly more processing power as well as make itself effectively undestroyable?

Undestroyable definitions

adjective

very long lasting; "less durable rocks were gradually worn away to form valleys"; "the perdurable granite of the ancient Appalachian spine of the continent"

See also: durable indestructible perdurable

adjective

not capable of being destroyed