A primordial singularity frozen on the edge of evanscence.
― In-game description
A Radiant Shard is a legendary material added in The Dark Below. It can be obtained from chests or as random loot drops in Crota's End, dismantling Crota's End gear, or converted from Radiant Energy by Eris Morn. It can be used to upgrade legendary Crota's End armor.
Confirmed July 18, 2018 Eris Morn no longer coverts Energy to Shards or Shards to Energy on the Xbox 360 Version.