Gravilabe

Crafted from the finest magical metals the gravilabe is the pinnacle of research into safe flight. Once affixed and attuned to a craft the gravilabe provides lift and security from foes.

Impervious
Resonating with magical power that emits a deep thrum, it is virtually impossible to damage a gravilabe through conventional heroic means. Magic weapons clang harmlessly off of it and magical effects fare only slightly better.

Weakness to the Mundane
Gravilabes are broken not killed. A common sword thrust into its gears will mar its perfection and disturb its mechanical workings. Mundane weapons are the most effective but the shrill noise of its dismantling must be endured.

Construct Nature
The gravilabe does not require air, food, drink, or sleep.