is a 2016 Japanese role-playing video game developed by Gust for the PlayStation 4, PlayStation Vita, and Microsoft Windows. It is the eighteenth main game in the Atelier series and the second game of the Mysterious storyline. It was released on North America and Europe on March 10, 2017, the following year. The enhanced version of the game titled was released for PlayStation 4, Windows, and the Nintendo Switch on April 22, 2021. Gameplay Atelier Firis is a role-playing game with a time management aspect. Players can perform actions such as exploration, combat, and item synthesis as they wish, although this causes the in-game calendar to advance, similar to some earlier Atelier games. Players are expected to finish the main quest of passing an alchemist certification exam within a year, with the rest of the game not limited by in-game time. As time passes day and night will cycle. It is the first game in the Atelier series to feature an open world. The item synthesis system allows the player to place items of different sizes into a square panel, which players place items of differing shapes into. These panels have lines that appear on them; covering all the lines grants bonuses. Catalysts are used to change the size of the panel and add new lines, and thus new bonuses. The usage of catalysts can result in greatly different versions of the same item. There is, additionally, mass synthesis, or the ability to create items that change the fields themselves. Item synthesis is not bound to a single location. Instead, it can be performed at any campfire found in the land, using a portable atelier. This atelier can be decorated, and with some of the decorations offering special effects. Further, recipes for synthesis can be found from all kinds of activities, such as fighting, meeting characters, gathering materials, and the act of synthesis itself. Items can be gathered through multiple methods. For instance, a rock can be broken with Firis's staff, or it can be blown up with an item, which may result in different materials. Four characters can be taken into battle. Item effects and monster actions and abilities may change by the weather and time of day. Depending on the character's selected action, their wait time for their next turn may change. Attacking enemies repeatedly can inflict them with "break", which makes them unable to move. They can