The Chronicles of Brus-bu were one of the ancient sacred Jedi texts that detailed an alternate usage of Force healing that could heal a damaged kyber crystal. Rey used the technique to heal the crystal of Anakin Skywalker's lightsaber, which had been cracked during the Battle of Crait.
- The High Republic: The Rising Storm (Indirect mention only)
- The High Republic: The Rising Storm audiobook (Indirect mention only)
- Star Wars: The Rise of Skywalker: A Junior Novel (First appearance)
- Star Wars: The Rise of Skywalker: A Junior Novel audiobook
- Star Wars: The Rise of Skywalker: The Visual Dictionary (First mentioned)
- "General Equipment (I)" – Star Wars Encyclopedia