Long ago, when the Dread Masters

Dread Masters Organization Dread Empire

began their investigation of the Phobis devices, Brontes led the research, risking her own sanity in the process. She was a consummate scholar and Force adept, generally accepted as the wisest of the Dread Masters in lore and ancient secrets.
Much about Brontes was forgotten by the other Dread Masters - and even Brontes herself. It is known, however, that Brontes was a major contributor to the Sith Academy archives, and her insights into the nature and purpose of sacred artifacts led to the construction of the Dark Temple.