Royal Crest Shard
From RoR Wiki

Royal Crest Shard is a legacy PvP currency retained here for historical reference. In March 2022, the PvP game modes were unified under War Crests. For current currency information, see Currencies. The change was announced in the official patch notes.
Historical information
This page's older acquisition and vendor notes were incomplete and are not current player guidance. For the archived currency list, see Old Currencies.
