Alienation Blade 3 Where is the Mousse Walnut?

I bought it from the Nopen business office in Muwu Colony. Different-edged 3 mousse walnuts were purchased from Nopen merchants in Muwu Colony, which was officially set by the game. Excalibur 3 is an adventure RPG game developed by Nintendo subsidiary MONOLITHSOFT. It was officially released on July 29, 2022.