Atelier Resleriana: The Red Alchemist & the White Guardian Launches Update 1.20, ‘Beginning of Summer Days’ Costume Set and Legacy BGM Pack

Koei Tecmo and Gust has released the version 1.20 update for Atelier Resleriana: The Red Alchemist & the White Guardian alongside the “Beginning of Summer Days” Costume Set and Atelier Series Legacy BGM Pack. The “Beginning of Summer Days” includes new swimsuit costumes for Rias, Slade, Raze, Wilbell, Totori, and Sophie; Atelier Series Legacy BGM Pack includes 1,000 songs ranging from Atelier Marie: The Alchemist of Salburg to Atelier Sophie 2: The Alchemist of the Mysterious Dream. Beginning of Summer Days is included with the Season Pass.

Read up on the patch notes for Atelier Resleriana: The Red Alchemist & the White Guardian update 1.20:

Atelier Resleriana: The Red Alchemist & the White Guardian Update 1.20 Patch Notes

• Added support for additional content.
• Adjusted the filter function so that when an option is already selected, only relevant options will be displayed for other categories.
• Improved the encyclopedia’s material tracking feature to take into account gathering rank and time of day, tracking only “obtainable targets.”
• Enabled bulk selection by holding the confirm button and moving the cursor when delivering investment items.
• Adjusted precision guard to withstand KO from multiple-hit enemy attacks when HP is above 1.
• Made it possible to skip day/night transition animations by pressing the confirm button or similar.
• Updated the calculation formula for traits that reduce AP consumption to align with the formula for AP consumption increase.
• Fixed an issue where after viewing the event “After the Festival” in chapter 9, the game would stop when the recipe acquisition animation played.
• Fixed a bug in Skyglow Path where wire action indicators appeared when wire actions couldn’t be performed.
• Fixed an issue with text that appeared after acquiring all fairy blessings in dimensional paths.
• Other minor adjustments and bug fixes.

Atelier Resleriana: The Red Alchemist & the White Guardian is available now for Nintendo Switch, PlayStation 4 (Japan only), PlayStation 5, and PC via Steam.

The following DLC content will be released in the near future:

• December 2025
  • Additional Characters Pack
    • Includes playable characters Resna and Valeria from Atelier Resleriana: Forgotten Alchemy and the Polar Night Liberator with stories
• January 2026
  • Recipe Expansion Pack
    • “The Essence of Alchemy”
    • “Backwards-Ticking Clock Workshop” high-difficulty dungeon

Lastly, Final Weapon had the opportunity to interview Atelier Resleriana: The Red Alchemist & the White Guardian developers Junzo Hosoi and Yasunori Sakuda.