Atelier Firis: The Alchemist and the Mysterious Journey - Costume: Duel Warrior

A new "Duel Warrior" Costumes for Drossel for use in Atelier Firis ~The Alchemist and the Mysterious Journey~ that can be selected under the "Change Outfit" option inside the Atelier.

*You need to progress the story to a certain point for the "Change Outfit" option to become available.

Source:

Steam Store Description