20There Are Materials Resistant To Lightsabers
Most notably, the hide of the Zillo beast is invulnerable to most attacks, including lightsabers.
The biggest appeal of a lightsaber is its ability to cut through any material. However, this far away galaxy from a long time ago is a big one, and within it lies a handful of fibers that cannot be pierced by the sci-fi blade.
Fortunately for Jedi, the creature is extremely
rare and was thought to be extinct until one showed up in an episode of The Clone Wars. The list of these types of materials is short and most of the items are scarce, but it is invaluable information for anyone to have if they wish to face off against a Jedi.