He requires no food, water, or air and is capable of interstellar travel.
He does not require air and is immune to most chemical toxins.
Such a lily farm would require still water and fresh air.
This, however, is no major problem as the pipes require relatively little air.
As a result, Bloodstone doesn't require food, water, or air to survive.
Neither of the Protys requires air to breathe, and can exist in a vacuum.
We have no lungs, for we do not require air.
Presumably, Monrak does not require food, water, air, sleep or possibly rest of any kind.
Tropical cyclones are like engines that require warm, moist air as fuel.
The plant requires dry air and exposure to the sun.