Light Shard

The Light Shard is a Hardmode crafting material used in the crafting of the Dao of Pow and the Sky Fracture. It has a chance to drop from Light Mummies and Spectral Mummies  which spawn in Hallowed deserts.

On the, they also have a chance to drop from Dreamer Ghouls in the Hallowed Underground Desert, and a  chance of dropping from Crystal Threshers.

Its Corruption/Crimson counterpart is the Dark Shard.

Trivia

 * The Light Shard represents the "Yang" of the "Yin Yang" (Taijitu) symbol on the Dao of Pow.
 * The Dark Shard and Light Shard don't actually create a circle when put together, instead it is a circular shape with a couple pixels missing