The Crystal Guardian is an optional boss in Hollow Knight, but defeating it and its "true form" rewards you with a precious Mask Shard. This guide covers how to find and defeat the Crystal Guardian, ...

Take the top path until you reach a lift. Ride it to the highest level, then continue to the right, and you’ll come to a room with a dark cluster of ground that rumbles when you walk over it. Jump and ...

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.