Komet is a synthesized item in Atelier Marie: The Alchemist of Salburg, Atelier Lilie: The Alchemist of Salburg 3, Atelier Violet: The Alchemist of Gramnad 2, Atelier Rorona: The Alchemist of Arland, Atelier Totori: The Adventurer of Arland and Atelier Meruru: The Apprentice of Arland. The Komet gem originally had the appearance of a light rainbow-colored gem, but in the Arland series it was changed into a clear green gem.