|Synthesis Category||Mushroom, Spice, Jewel, Supplement|
|Gathering Location||Ent Forest, Endless Corridor, Yuvel|
|Buy From||Astrid's Store|
- "A rare mushroom found only in Arls. Its amazing aroma can capture even the hearts of the royal family. I hope I can taste it at least once before I die!"
- — Atelier Meruru description
The Royal Crown is a material found in Atelier Meruru: The Apprentice of Arland.
The Royal Crown is a somewhat rare mushroom gathered from Ent Forest and the Endless Corridor. Once Yuvel is upgraded, they can also be found there late game. There is a single one available for purchase from Astrid's shop after the event where she steals one from Meruru.
They are required to make Jarred Mushroom.